Renamed Root to UI, automatic rename (#8908)

Automatic rename in Eclipse of the class Root to UI with all rename options enabled, rename also embedded "Root" in variable and method names. The following classes/methods were excluded in the rename: - BootstrapHandler.getApplicationCSSClassName() - ComponentLocator - ConnectorMap - ItemClickEvent - KeepAllItemsVisible - MenuBarTest - MenuBarTooltips - TreeTableTest - TreeWithIcons - Trees - VDebugConsole.printLayoutProblems()
author: Artur Signell <artur@vaadin.com> 2012-08-24 08:44:20 +0300
committer: Artur Signell <artur@vaadin.com> 2012-08-24 13:23:16 +0300
commit: da176c32c4d92676424021712a7f6d7ee8cedf76 (patch)
tree: 36e5c97e5c556dd882498516415663384db18185 /tests
parent: 86bbe59bb855b6cf57486322bca92e2ace88e8a2 (diff)
download: vaadin-framework-da176c32c4d92676424021712a7f6d7ee8cedf76.tar.gz
vaadin-framework-da176c32c4d92676424021712a7f6d7ee8cedf76.zip
300 files changed, 416 insertions, 416 deletions
diff --git a/tests/server-side/com/vaadin/tests/VaadinClasses.java b/tests/server-side/com/vaadin/tests/VaadinClasses.java
index 2f937bf58d..5d9e38398c 100644
--- a/tests/server-side/com/vaadin/tests/VaadinClasses.java
+++ b/tests/server-side/com/vaadin/tests/VaadinClasses.java
@@ -24,7 +24,7 @@ import com.vaadin.ui.Field;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.LoginForm;
 import com.vaadin.ui.PopupView;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalSplitPanel;
 import com.vaadin.ui.Window;
 import com.vaadin.ui.themes.BaseTheme;
@@ -107,7 +107,7 @@ public class VaadinClasses {
         classes.remove(DragAndDropWrapper.class);
         classes.remove(CustomComponent.class);
         classes.remove(LoginForm.class);
-        classes.remove(Root.class);
+        classes.remove(UI.class);
 
         return classes;
     }
diff --git a/tests/server-side/com/vaadin/tests/server/TestStreamVariableMapping.java b/tests/server-side/com/vaadin/tests/server/TestStreamVariableMapping.java
index ca1bb45330..4e26ffaf45 100644
--- a/tests/server-side/com/vaadin/tests/server/TestStreamVariableMapping.java
+++ b/tests/server-side/com/vaadin/tests/server/TestStreamVariableMapping.java
@@ -8,7 +8,7 @@ import com.vaadin.Application;
 import com.vaadin.terminal.StreamVariable;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.terminal.gwt.server.CommunicationManager;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Upload;
 
 public class TestStreamVariableMapping extends TestCase {
@@ -22,7 +22,7 @@ public class TestStreamVariableMapping extends TestCase {
     @Override
     protected void setUp() throws Exception {
         final Application application = new Application();
-        final Root root = new Root() {
+        final UI uI = new UI() {
             @Override
             protected void init(WrappedRequest request) {
                 // TODO Auto-generated method stub
@@ -36,8 +36,8 @@ public class TestStreamVariableMapping extends TestCase {
         };
         owner = new Upload() {
             @Override
-            public Root getRoot() {
-                return root;
+            public UI getRoot() {
+                return uI;
             }
         };
         streamVariable = EasyMock.createMock(StreamVariable.class);
diff --git a/tests/server-side/com/vaadin/tests/server/component/abstractfield/RemoveListenersOnDetach.java b/tests/server-side/com/vaadin/tests/server/component/abstractfield/RemoveListenersOnDetach.java
index f66f523770..dd1675c75d 100644
--- a/tests/server-side/com/vaadin/tests/server/component/abstractfield/RemoveListenersOnDetach.java
+++ b/tests/server-side/com/vaadin/tests/server/component/abstractfield/RemoveListenersOnDetach.java
@@ -10,7 +10,7 @@ import com.vaadin.data.util.AbstractProperty;
 import com.vaadin.data.util.converter.Converter.ConversionException;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.AbstractField;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class RemoveListenersOnDetach {
 
@@ -18,7 +18,7 @@ public class RemoveListenersOnDetach {
     int numReadOnlyChanges = 0;
 
     AbstractField field = new AbstractField() {
-        private Root root = new Root() {
+        private UI uI = new UI() {
 
             @Override
             protected void init(WrappedRequest request) {
@@ -49,8 +49,8 @@ public class RemoveListenersOnDetach {
         }
 
         @Override
-        public com.vaadin.ui.Root getRoot() {
-            return root;
+        public com.vaadin.ui.UI getRoot() {
+            return uI;
         };
 
         @Override
diff --git a/tests/server-side/com/vaadin/tests/server/component/root/CustomRootClassLoader.java b/tests/server-side/com/vaadin/tests/server/component/root/CustomRootClassLoader.java
index 74770f8652..9fe486f85e 100644
--- a/tests/server-side/com/vaadin/tests/server/component/root/CustomRootClassLoader.java
+++ b/tests/server-side/com/vaadin/tests/server/component/root/CustomRootClassLoader.java
@@ -14,14 +14,14 @@ import com.vaadin.RootRequiresMoreInformationException;
 import com.vaadin.terminal.DefaultRootProvider;
 import com.vaadin.terminal.DeploymentConfiguration;
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class CustomRootClassLoader extends TestCase {
 
     /**
      * Stub root
      */
-    public static class MyRoot extends Root {
+    public static class MyRoot extends UI {
         @Override
         protected void init(WrappedRequest request) {
             // Nothing to see here
@@ -45,7 +45,7 @@ public class CustomRootClassLoader extends TestCase {
     }
 
     /**
-     * Tests that a Root class can be loaded even if no classloader has been
+     * Tests that a UI class can be loaded even if no classloader has been
      * provided.
      * 
      * @throws Exception
@@ -56,8 +56,8 @@ public class CustomRootClassLoader extends TestCase {
         application.start(new ApplicationStartEvent(null,
                 createConfigurationMock(), null));
 
-        Root root = application.getRootForRequest(createRequestMock(null));
-        assertTrue(root instanceof MyRoot);
+        UI uI = application.getRootForRequest(createRequestMock(null));
+        assertTrue(uI instanceof MyRoot);
     }
 
     private static DeploymentConfiguration createConfigurationMock() {
@@ -89,7 +89,7 @@ public class CustomRootClassLoader extends TestCase {
 
     /**
      * Tests that the ClassLoader passed in the ApplicationStartEvent is used to
-     * load Root classes.
+     * load UI classes.
      * 
      * @throws Exception
      *             if thrown
@@ -101,9 +101,9 @@ public class CustomRootClassLoader extends TestCase {
         application.start(new ApplicationStartEvent(null,
                 createConfigurationMock(), null));
 
-        Root root = application
+        UI uI = application
                 .getRootForRequest(createRequestMock(loggingClassLoader));
-        assertTrue(root instanceof MyRoot);
+        assertTrue(uI instanceof MyRoot);
         assertEquals(1, loggingClassLoader.requestedClasses.size());
         assertEquals(MyRoot.class.getName(),
                 loggingClassLoader.requestedClasses.get(0));
@@ -126,7 +126,7 @@ public class CustomRootClassLoader extends TestCase {
             }
 
             @Override
-            public Root getRootForRequest(WrappedRequest request)
+            public UI getRootForRequest(WrappedRequest request)
                     throws RootRequiresMoreInformationException {
                 // Always create a new root for testing (can't directly use
                 // getRoot as it's protected)
diff --git a/tests/server-side/com/vaadin/tests/server/component/window/AddRemoveSubWindow.java b/tests/server-side/com/vaadin/tests/server/component/window/AddRemoveSubWindow.java
index f8901803c3..88bc28bbc8 100644
--- a/tests/server-side/com/vaadin/tests/server/component/window/AddRemoveSubWindow.java
+++ b/tests/server-side/com/vaadin/tests/server/component/window/AddRemoveSubWindow.java
@@ -7,8 +7,8 @@ import static org.junit.Assert.assertTrue;
 import org.junit.Test;
 
 import com.vaadin.Application;
-import com.vaadin.ui.Root;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class AddRemoveSubWindow {
@@ -27,7 +27,7 @@ public class AddRemoveSubWindow {
         TestApp app = new TestApp();
         app.init();
         Window subWindow = new Window("Sub window");
-        Root mainWindow = app.getMainWindow();
+        UI mainWindow = app.getMainWindow();
 
         mainWindow.addWindow(subWindow);
         // Added to main window so the parent of the sub window should be the
@@ -61,7 +61,7 @@ public class AddRemoveSubWindow {
         TestApp app = new TestApp();
         app.init();
         Window subWindow = new Window("Sub window");
-        Root mainWindow = app.getMainWindow();
+        UI mainWindow = app.getMainWindow();
         mainWindow.addWindow(subWindow);
 
         // Added to main window so the parent of the sub window should be the
diff --git a/tests/server-side/com/vaadin/tests/server/component/window/AttachDetachWindow.java b/tests/server-side/com/vaadin/tests/server/component/window/AttachDetachWindow.java
index e1435ea2ab..e2db224f08 100644
--- a/tests/server-side/com/vaadin/tests/server/component/window/AttachDetachWindow.java
+++ b/tests/server-side/com/vaadin/tests/server/component/window/AttachDetachWindow.java
@@ -8,7 +8,7 @@ import org.junit.Test;
 import com.vaadin.Application;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
 
@@ -100,7 +100,7 @@ public class AttachDetachWindow {
         }
     }
 
-    private class TestRoot extends Root implements TestContainer {
+    private class TestRoot extends UI implements TestContainer {
         boolean rootAttachCalled = false;
         boolean rootDetachCalled = false;
         private TestContent testContent = new TestContent();;
diff --git a/tests/server-side/com/vaadin/tests/server/components/TestWindow.java b/tests/server-side/com/vaadin/tests/server/components/TestWindow.java
index 7713f69f68..12d3a3c8f5 100644
--- a/tests/server-side/com/vaadin/tests/server/components/TestWindow.java
+++ b/tests/server-side/com/vaadin/tests/server/components/TestWindow.java
@@ -7,7 +7,7 @@ import junit.framework.TestCase;
 
 import org.easymock.EasyMock;
 
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 import com.vaadin.ui.Window.CloseEvent;
 import com.vaadin.ui.Window.CloseListener;
diff --git a/tests/testbench/com/vaadin/launcher/ApplicationRunnerServlet.java b/tests/testbench/com/vaadin/launcher/ApplicationRunnerServlet.java
index bb37082d30..2ac447cee3 100644
--- a/tests/testbench/com/vaadin/launcher/ApplicationRunnerServlet.java
+++ b/tests/testbench/com/vaadin/launcher/ApplicationRunnerServlet.java
@@ -36,7 +36,7 @@ import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.terminal.gwt.server.AbstractApplicationServlet;
 import com.vaadin.terminal.gwt.server.WrappedHttpServletRequest;
 import com.vaadin.tests.components.TestBase;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 @SuppressWarnings("serial")
 public class ApplicationRunnerServlet extends AbstractApplicationServlet {
@@ -110,15 +110,15 @@ public class ApplicationRunnerServlet extends AbstractApplicationServlet {
         // Creates a new application instance
         try {
             final Class<?> classToRun = getClassToRun();
-            if (Root.class.isAssignableFrom(classToRun)) {
+            if (UI.class.isAssignableFrom(classToRun)) {
                 Application application = new Application();
                 application.addRootProvider(new AbstractRootProvider() {
 
                     @Override
-                    public Class<? extends Root> getRootClass(
+                    public Class<? extends UI> getRootClass(
                             Application application, WrappedRequest request)
                             throws RootRequiresMoreInformationException {
-                        return (Class<? extends Root>) classToRun;
+                        return (Class<? extends UI>) classToRun;
                     }
                 });
                 return application;
@@ -126,7 +126,7 @@ public class ApplicationRunnerServlet extends AbstractApplicationServlet {
                 return (Application) classToRun.newInstance();
             } else {
                 throw new ServletException(classToRun.getCanonicalName()
-                        + " is neither an Application nor a Root");
+                        + " is neither an Application nor a UI");
             }
         } catch (final IllegalAccessException e) {
             throw new ServletException(e);
@@ -215,13 +215,13 @@ public class ApplicationRunnerServlet extends AbstractApplicationServlet {
     protected Class<? extends Application> getApplicationClass()
             throws ClassNotFoundException {
         Class<?> classToRun = getClassToRun();
-        if (Root.class.isAssignableFrom(classToRun)) {
+        if (UI.class.isAssignableFrom(classToRun)) {
             return Application.class;
         } else if (Application.class.isAssignableFrom(classToRun)) {
             return classToRun.asSubclass(Application.class);
         } else {
             throw new ClassCastException(classToRun.getCanonicalName()
-                    + " is not an Application nor a Root");
+                    + " is not an Application nor a UI");
         }
     }
 
diff --git a/tests/testbench/com/vaadin/tests/Components.java b/tests/testbench/com/vaadin/tests/Components.java
index f4fa1b6608..66e693a1de 100644
--- a/tests/testbench/com/vaadin/tests/Components.java
+++ b/tests/testbench/com/vaadin/tests/Components.java
@@ -25,7 +25,7 @@ import com.vaadin.ui.ComponentContainer;
 import com.vaadin.ui.Embedded;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.Tree.ItemStyleGenerator;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/CustomLayoutDemo.java b/tests/testbench/com/vaadin/tests/CustomLayoutDemo.java
index ce99f6e70f..833340f678 100644
--- a/tests/testbench/com/vaadin/tests/CustomLayoutDemo.java
+++ b/tests/testbench/com/vaadin/tests/CustomLayoutDemo.java
@@ -26,7 +26,7 @@ import com.vaadin.ui.Field;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
 import com.vaadin.ui.PasswordField;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Tree;
 
diff --git a/tests/testbench/com/vaadin/tests/LayoutDemo.java b/tests/testbench/com/vaadin/tests/LayoutDemo.java
index 1a3801aecc..23997ac084 100644
--- a/tests/testbench/com/vaadin/tests/LayoutDemo.java
+++ b/tests/testbench/com/vaadin/tests/LayoutDemo.java
@@ -25,7 +25,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/ListenerOrder.java b/tests/testbench/com/vaadin/tests/ListenerOrder.java
index 7f136b10ed..ab364a8781 100644
--- a/tests/testbench/com/vaadin/tests/ListenerOrder.java
+++ b/tests/testbench/com/vaadin/tests/ListenerOrder.java
@@ -13,7 +13,7 @@ import com.vaadin.data.Property.ValueChangeListener;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 
 public class ListenerOrder extends com.vaadin.Application.LegacyApplication
diff --git a/tests/testbench/com/vaadin/tests/ModalWindow.java b/tests/testbench/com/vaadin/tests/ModalWindow.java
index 84fa761eb4..6153f14285 100644
--- a/tests/testbench/com/vaadin/tests/ModalWindow.java
+++ b/tests/testbench/com/vaadin/tests/ModalWindow.java
@@ -20,7 +20,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/NativeWindowing.java b/tests/testbench/com/vaadin/tests/NativeWindowing.java
index 70f978a8b1..4bce92b668 100644
--- a/tests/testbench/com/vaadin/tests/NativeWindowing.java
+++ b/tests/testbench/com/vaadin/tests/NativeWindowing.java
@@ -24,7 +24,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class NativeWindowing extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/Parameters.java b/tests/testbench/com/vaadin/tests/Parameters.java
index e9824d9c40..d6bc9007ed 100644
--- a/tests/testbench/com/vaadin/tests/Parameters.java
+++ b/tests/testbench/com/vaadin/tests/Parameters.java
@@ -30,7 +30,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout.MarginHandler;
 import com.vaadin.ui.Link;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/RandomLayoutStress.java b/tests/testbench/com/vaadin/tests/RandomLayoutStress.java
index 711e79a28d..0161a2a20e 100644
--- a/tests/testbench/com/vaadin/tests/RandomLayoutStress.java
+++ b/tests/testbench/com/vaadin/tests/RandomLayoutStress.java
@@ -29,7 +29,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Link;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.TextField;
diff --git a/tests/testbench/com/vaadin/tests/ScrollbarStressTest.java b/tests/testbench/com/vaadin/tests/ScrollbarStressTest.java
index 9cd27e9d5c..7436bfc539 100644
--- a/tests/testbench/com/vaadin/tests/ScrollbarStressTest.java
+++ b/tests/testbench/com/vaadin/tests/ScrollbarStressTest.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.OptionGroup;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/TestBench.java b/tests/testbench/com/vaadin/tests/TestBench.java
index b58df225bc..32fff09455 100644
--- a/tests/testbench/com/vaadin/tests/TestBench.java
+++ b/tests/testbench/com/vaadin/tests/TestBench.java
@@ -37,7 +37,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Link;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/TestForApplicationLayoutThatUsesWholeBrosersSpace.java b/tests/testbench/com/vaadin/tests/TestForApplicationLayoutThatUsesWholeBrosersSpace.java
index 78ab9f61ca..c3fa269fba 100644
--- a/tests/testbench/com/vaadin/tests/TestForApplicationLayoutThatUsesWholeBrosersSpace.java
+++ b/tests/testbench/com/vaadin/tests/TestForApplicationLayoutThatUsesWholeBrosersSpace.java
@@ -19,7 +19,7 @@ package com.vaadin.tests;
 import com.vaadin.Application;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.VerticalSplitPanel;
diff --git a/tests/testbench/com/vaadin/tests/TestForNativeWindowing.java b/tests/testbench/com/vaadin/tests/TestForNativeWindowing.java
index 628c3cc4e8..41b3309c57 100644
--- a/tests/testbench/com/vaadin/tests/TestForNativeWindowing.java
+++ b/tests/testbench/com/vaadin/tests/TestForNativeWindowing.java
@@ -24,7 +24,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class TestForNativeWindowing extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/TestForStyledUpload.java b/tests/testbench/com/vaadin/tests/TestForStyledUpload.java
index 120cf9a59a..af41ccc37b 100644
--- a/tests/testbench/com/vaadin/tests/TestForStyledUpload.java
+++ b/tests/testbench/com/vaadin/tests/TestForStyledUpload.java
@@ -36,7 +36,7 @@ import com.vaadin.ui.Layout;
 import com.vaadin.ui.Link;
 import com.vaadin.ui.Panel;
 import com.vaadin.ui.ProgressIndicator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Upload;
 import com.vaadin.ui.Upload.FailedEvent;
 import com.vaadin.ui.Upload.FailedListener;
diff --git a/tests/testbench/com/vaadin/tests/TestForWindowOpen.java b/tests/testbench/com/vaadin/tests/TestForWindowOpen.java
index 621bdbfee2..3b5c7404e7 100644
--- a/tests/testbench/com/vaadin/tests/TestForWindowOpen.java
+++ b/tests/testbench/com/vaadin/tests/TestForWindowOpen.java
@@ -20,7 +20,7 @@ import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.CustomComponent;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 
 public class TestForWindowOpen extends CustomComponent {
@@ -37,7 +37,7 @@ public class TestForWindowOpen extends CustomComponent {
                     public void buttonClick(ClickEvent event) {
                         final ExternalResource r = new ExternalResource(
                                 "http://www.google.com");
-                        Root.getCurrent().getPage().open(r);
+                        UI.getCurrent().getPage().open(r);
 
                     }
 
@@ -50,7 +50,7 @@ public class TestForWindowOpen extends CustomComponent {
                     public void buttonClick(ClickEvent event) {
                         final ExternalResource r = new ExternalResource(
                                 "http://www.google.com");
-                        Root.getCurrent().getPage().open(r, "mytarget");
+                        UI.getCurrent().getPage().open(r, "mytarget");
 
                     }
 
@@ -63,7 +63,7 @@ public class TestForWindowOpen extends CustomComponent {
                     public void buttonClick(ClickEvent event) {
                         final ExternalResource r = new ExternalResource(
                                 "http://www.google.com");
-                        Root.getCurrent().getPage().open(r, "secondtarget");
+                        UI.getCurrent().getPage().open(r, "secondtarget");
 
                     }
 
diff --git a/tests/testbench/com/vaadin/tests/TestForWindowing.java b/tests/testbench/com/vaadin/tests/TestForWindowing.java
index 9a3362af8b..a59323b97c 100644
--- a/tests/testbench/com/vaadin/tests/TestForWindowing.java
+++ b/tests/testbench/com/vaadin/tests/TestForWindowing.java
@@ -26,7 +26,7 @@ import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.OptionGroup;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.Slider;
 import com.vaadin.ui.VerticalLayout;
@@ -99,7 +99,7 @@ public class TestForWindowing extends CustomComponent {
 
                         w.addComponent(s);
 
-                        Root.getCurrent().addWindow(w);
+                        UI.getCurrent().addWindow(w);
 
                     }
 
diff --git a/tests/testbench/com/vaadin/tests/TestSetVisibleAndCaching.java b/tests/testbench/com/vaadin/tests/TestSetVisibleAndCaching.java
index 5b3a93e065..6bb8bac200 100644
--- a/tests/testbench/com/vaadin/tests/TestSetVisibleAndCaching.java
+++ b/tests/testbench/com/vaadin/tests/TestSetVisibleAndCaching.java
@@ -21,7 +21,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class TestSetVisibleAndCaching extends
         com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/TestSizeableIncomponents.java b/tests/testbench/com/vaadin/tests/TestSizeableIncomponents.java
index f33132a709..a0ff6f0fc7 100644
--- a/tests/testbench/com/vaadin/tests/TestSizeableIncomponents.java
+++ b/tests/testbench/com/vaadin/tests/TestSizeableIncomponents.java
@@ -37,7 +37,7 @@ import com.vaadin.ui.Embedded;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/TestSplitPanel.java b/tests/testbench/com/vaadin/tests/TestSplitPanel.java
index d1a6ede53c..4b0b47ed74 100644
--- a/tests/testbench/com/vaadin/tests/TestSplitPanel.java
+++ b/tests/testbench/com/vaadin/tests/TestSplitPanel.java
@@ -17,7 +17,7 @@
 package com.vaadin.tests;
 
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalSplitPanel;
 
 public class TestSplitPanel extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/TreeFilesystem.java b/tests/testbench/com/vaadin/tests/TreeFilesystem.java
index b311ae32b1..f2a0d97b08 100644
--- a/tests/testbench/com/vaadin/tests/TreeFilesystem.java
+++ b/tests/testbench/com/vaadin/tests/TreeFilesystem.java
@@ -23,7 +23,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.tests.util.SampleDirectory;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.Tree.ExpandEvent;
 
diff --git a/tests/testbench/com/vaadin/tests/TreeFilesystemContainer.java b/tests/testbench/com/vaadin/tests/TreeFilesystemContainer.java
index 52dd61dbee..672c518ea8 100644
--- a/tests/testbench/com/vaadin/tests/TreeFilesystemContainer.java
+++ b/tests/testbench/com/vaadin/tests/TreeFilesystemContainer.java
@@ -26,7 +26,7 @@ import com.vaadin.ui.Component.Listener;
 import com.vaadin.ui.Field;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/UpgradingSample.java b/tests/testbench/com/vaadin/tests/UpgradingSample.java
index cf2516fbff..48e2222d7e 100644
--- a/tests/testbench/com/vaadin/tests/UpgradingSample.java
+++ b/tests/testbench/com/vaadin/tests/UpgradingSample.java
@@ -31,7 +31,7 @@ import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/UsingObjectsInSelect.java b/tests/testbench/com/vaadin/tests/UsingObjectsInSelect.java
index 42a9d358c5..c5a836b4f1 100644
--- a/tests/testbench/com/vaadin/tests/UsingObjectsInSelect.java
+++ b/tests/testbench/com/vaadin/tests/UsingObjectsInSelect.java
@@ -24,7 +24,7 @@ import com.vaadin.data.Property.ValueChangeListener;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 
 public class UsingObjectsInSelect extends
diff --git a/tests/testbench/com/vaadin/tests/appengine/GAESyncTest.java b/tests/testbench/com/vaadin/tests/appengine/GAESyncTest.java
index fbf9e7b46e..7a06dedd63 100644
--- a/tests/testbench/com/vaadin/tests/appengine/GAESyncTest.java
+++ b/tests/testbench/com/vaadin/tests/appengine/GAESyncTest.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Embedded;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class GAESyncTest extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/application/ErrorInUnloadEvent.java b/tests/testbench/com/vaadin/tests/application/ErrorInUnloadEvent.java
index 690df3f360..2e6c188331 100644
--- a/tests/testbench/com/vaadin/tests/application/ErrorInUnloadEvent.java
+++ b/tests/testbench/com/vaadin/tests/application/ErrorInUnloadEvent.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.FormLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.PasswordField;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/application/RefreshStatePreserve.java b/tests/testbench/com/vaadin/tests/application/RefreshStatePreserve.java
index bd2aea3756..023a93438d 100644
--- a/tests/testbench/com/vaadin/tests/application/RefreshStatePreserve.java
+++ b/tests/testbench/com/vaadin/tests/application/RefreshStatePreserve.java
@@ -6,16 +6,16 @@ import com.vaadin.terminal.AbstractRootProvider;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.tests.components.AbstractTestApplication;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class RefreshStatePreserve extends AbstractTestApplication {
-    public static class RefreshStateRoot extends Root {
+    public static class RefreshStateRoot extends UI {
         @Override
         public void init(WrappedRequest request) {
             getContent().addComponent(
                     new Label("window.name: "
                             + request.getBrowserDetails().getWindowName()));
-            getContent().addComponent(new Label("Root id: " + getRootId()));
+            getContent().addComponent(new Label("UI id: " + getRootId()));
         }
     }
 
@@ -25,7 +25,7 @@ public class RefreshStatePreserve extends AbstractTestApplication {
         setRootPreserved(true);
         addRootProvider(new AbstractRootProvider() {
             @Override
-            public Class<? extends Root> getRootClass(Application application,
+            public Class<? extends UI> getRootClass(Application application,
                     WrappedRequest request)
                     throws RootRequiresMoreInformationException {
                 return RefreshStateRoot.class;
diff --git a/tests/testbench/com/vaadin/tests/application/TerminalErrorNotification.java b/tests/testbench/com/vaadin/tests/application/TerminalErrorNotification.java
index 77596da0f9..992a3afbca 100644
--- a/tests/testbench/com/vaadin/tests/application/TerminalErrorNotification.java
+++ b/tests/testbench/com/vaadin/tests/application/TerminalErrorNotification.java
@@ -19,7 +19,7 @@ import com.vaadin.tests.components.TestBase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class TerminalErrorNotification extends TestBase {
 
@@ -41,7 +41,7 @@ public class TerminalErrorNotification extends TestBase {
     public void terminalError(com.vaadin.terminal.Terminal.ErrorEvent event) {
         event.getThrowable().printStackTrace();
 
-        Root mainWindow = getMainWindow();
+        UI mainWindow = getMainWindow();
         if (mainWindow != null) {
             Throwable throwable = event.getThrowable();
 
diff --git a/tests/testbench/com/vaadin/tests/application/ThreadLocalInstances.java b/tests/testbench/com/vaadin/tests/application/ThreadLocalInstances.java
index def68a7357..3323e3bb28 100644
--- a/tests/testbench/com/vaadin/tests/application/ThreadLocalInstances.java
+++ b/tests/testbench/com/vaadin/tests/application/ThreadLocalInstances.java
@@ -12,14 +12,14 @@ import com.vaadin.tests.util.Log;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Embedded;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class ThreadLocalInstances extends AbstractTestApplication {
     private static final Application staticInitApplication = Application
             .getCurrent();
-    private static final Root staticInitRoot = Root.getCurrent();
+    private static final UI staticInitRoot = UI.getCurrent();
 
-    private final Root mainWindow = new Root() {
+    private final UI mainWindow = new UI() {
         boolean paintReported = false;
 
         @Override
@@ -77,14 +77,14 @@ public class ThreadLocalInstances extends AbstractTestApplication {
     }
 
     @Override
-    protected Root getRoot(WrappedRequest request)
+    protected UI getRoot(WrappedRequest request)
             throws RootRequiresMoreInformationException {
         return mainWindow;
     }
 
     @Override
     protected String getTestDescription() {
-        return "Tests the precence of Application.getCurrentApplication() and Root.getCurrentRoot() from different contexts";
+        return "Tests the precence of Application.getCurrentApplication() and UI.getCurrentRoot() from different contexts";
     }
 
     @Override
@@ -93,12 +93,12 @@ public class ThreadLocalInstances extends AbstractTestApplication {
     }
 
     private void reportCurrentStatus(String phase) {
-        reportStatus(phase, Application.getCurrent(), Root.getCurrent());
+        reportStatus(phase, Application.getCurrent(), UI.getCurrent());
     }
 
-    private void reportStatus(String phase, Application application, Root root) {
+    private void reportStatus(String phase, Application application, UI uI) {
         log.log(getState(application, this) + " app in " + phase);
-        log.log(getState(root, mainWindow) + " root in " + phase);
+        log.log(getState(uI, mainWindow) + " root in " + phase);
     }
 
     private static String getState(Object value, Object reference) {
diff --git a/tests/testbench/com/vaadin/tests/applicationcontext/ChangeSessionId.java b/tests/testbench/com/vaadin/tests/applicationcontext/ChangeSessionId.java
index abcdf232cd..3169806f27 100644
--- a/tests/testbench/com/vaadin/tests/applicationcontext/ChangeSessionId.java
+++ b/tests/testbench/com/vaadin/tests/applicationcontext/ChangeSessionId.java
@@ -6,7 +6,7 @@ import com.vaadin.tests.util.Log;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class ChangeSessionId extends AbstractTestCase {
 
diff --git a/tests/testbench/com/vaadin/tests/components/AbstractTestRoot.java b/tests/testbench/com/vaadin/tests/components/AbstractTestRoot.java
index d20f7a4a21..cf4bfac426 100644
--- a/tests/testbench/com/vaadin/tests/components/AbstractTestRoot.java
+++ b/tests/testbench/com/vaadin/tests/components/AbstractTestRoot.java
@@ -8,10 +8,10 @@ import com.vaadin.terminal.gwt.server.AbstractWebApplicationContext;
 import com.vaadin.terminal.gwt.server.WebBrowser;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 
-public abstract class AbstractTestRoot extends Root {
+public abstract class AbstractTestRoot extends UI {
 
     @Override
     public void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/components/TestBase.java b/tests/testbench/com/vaadin/tests/components/TestBase.java
index a66f0efe64..19c6826977 100644
--- a/tests/testbench/com/vaadin/tests/components/TestBase.java
+++ b/tests/testbench/com/vaadin/tests/components/TestBase.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.components;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public abstract class TestBase extends AbstractTestCase {
diff --git a/tests/testbench/com/vaadin/tests/components/abstractcomponent/EnableState.java b/tests/testbench/com/vaadin/tests/components/abstractcomponent/EnableState.java
index f8931ecdea..e93529fad4 100644
--- a/tests/testbench/com/vaadin/tests/components/abstractcomponent/EnableState.java
+++ b/tests/testbench/com/vaadin/tests/components/abstractcomponent/EnableState.java
@@ -6,7 +6,7 @@ import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class EnableState extends AbstractTestCase {
     @Override
diff --git a/tests/testbench/com/vaadin/tests/components/button/ButtonsInHorizontalLayout.java b/tests/testbench/com/vaadin/tests/components/button/ButtonsInHorizontalLayout.java
index bdabed3032..3a0afdce50 100644
--- a/tests/testbench/com/vaadin/tests/components/button/ButtonsInHorizontalLayout.java
+++ b/tests/testbench/com/vaadin/tests/components/button/ButtonsInHorizontalLayout.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.components.button;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.themes.BaseTheme;
 
diff --git a/tests/testbench/com/vaadin/tests/components/combobox/ComboBoxReapperingOldValue.java b/tests/testbench/com/vaadin/tests/components/combobox/ComboBoxReapperingOldValue.java
index 5dc5a2efbd..10afb05ae3 100644
--- a/tests/testbench/com/vaadin/tests/components/combobox/ComboBoxReapperingOldValue.java
+++ b/tests/testbench/com/vaadin/tests/components/combobox/ComboBoxReapperingOldValue.java
@@ -8,7 +8,7 @@ import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.AbstractSelect;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 @SuppressWarnings("serial")
diff --git a/tests/testbench/com/vaadin/tests/components/combobox/GridLayoutComboBoxZoomOut.java b/tests/testbench/com/vaadin/tests/components/combobox/GridLayoutComboBoxZoomOut.java
index 37b0fe21a1..f64fd6f5fa 100644
--- a/tests/testbench/com/vaadin/tests/components/combobox/GridLayoutComboBoxZoomOut.java
+++ b/tests/testbench/com/vaadin/tests/components/combobox/GridLayoutComboBoxZoomOut.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Select;
 
 @SuppressWarnings("serial")
@@ -13,7 +13,7 @@ public class GridLayoutComboBoxZoomOut extends AbstractTestCase {
 
     @Override
     public void init() {
-        Root.LegacyWindow mainWindow = new Root.LegacyWindow(
+        UI.LegacyWindow mainWindow = new UI.LegacyWindow(
                 "Gridlayoutbug Application");
         setMainWindow(mainWindow);
 
diff --git a/tests/testbench/com/vaadin/tests/components/datefield/DateFieldInSubWindow.java b/tests/testbench/com/vaadin/tests/components/datefield/DateFieldInSubWindow.java
index 85f1c80a08..4cf7b98679 100644
--- a/tests/testbench/com/vaadin/tests/components/datefield/DateFieldInSubWindow.java
+++ b/tests/testbench/com/vaadin/tests/components/datefield/DateFieldInSubWindow.java
@@ -13,7 +13,7 @@ import com.vaadin.ui.DefaultFieldFactory;
 import com.vaadin.ui.Field;
 import com.vaadin.ui.Form;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/components/datefield/DateFieldPopupOffScreen.java b/tests/testbench/com/vaadin/tests/components/datefield/DateFieldPopupOffScreen.java
index b87c458c01..ac3296724b 100644
--- a/tests/testbench/com/vaadin/tests/components/datefield/DateFieldPopupOffScreen.java
+++ b/tests/testbench/com/vaadin/tests/components/datefield/DateFieldPopupOffScreen.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Alignment;
 import com.vaadin.ui.DateField;
 import com.vaadin.ui.DateField.Resolution;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class DateFieldPopupOffScreen extends AbstractTestCase {
 
diff --git a/tests/testbench/com/vaadin/tests/components/form/UndefinedWideFormWithRelativeWideFooter.java b/tests/testbench/com/vaadin/tests/components/form/UndefinedWideFormWithRelativeWideFooter.java
index 21430d8936..b34db2170e 100644
--- a/tests/testbench/com/vaadin/tests/components/form/UndefinedWideFormWithRelativeWideFooter.java
+++ b/tests/testbench/com/vaadin/tests/components/form/UndefinedWideFormWithRelativeWideFooter.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Alignment;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Form;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 @SuppressWarnings("serial")
diff --git a/tests/testbench/com/vaadin/tests/components/formlayout/TableInFormLayoutCausesScrolling.java b/tests/testbench/com/vaadin/tests/components/formlayout/TableInFormLayoutCausesScrolling.java
index bbe88b1770..360c559086 100644
--- a/tests/testbench/com/vaadin/tests/components/formlayout/TableInFormLayoutCausesScrolling.java
+++ b/tests/testbench/com/vaadin/tests/components/formlayout/TableInFormLayoutCausesScrolling.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.components.formlayout;
 
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.FormLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/components/loginform/LoginFormRootInLoginHandler.java b/tests/testbench/com/vaadin/tests/components/loginform/LoginFormRootInLoginHandler.java
index 2c0a8744fc..db64df936f 100755
--- a/tests/testbench/com/vaadin/tests/components/loginform/LoginFormRootInLoginHandler.java
+++ b/tests/testbench/com/vaadin/tests/components/loginform/LoginFormRootInLoginHandler.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.LoginForm;
 import com.vaadin.ui.LoginForm.LoginEvent;
 import com.vaadin.ui.LoginForm.LoginListener;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class LoginFormRootInLoginHandler extends TestBase {
 
@@ -16,14 +16,14 @@ public class LoginFormRootInLoginHandler extends TestBase {
 
             @Override
             public void onLogin(LoginEvent event) {
-                Root r1 = Root.getCurrent();
+                UI r1 = UI.getCurrent();
                 if (r1 != null) {
-                    addComponent(new Label("Root.getCurrent().data: "
+                    addComponent(new Label("UI.getCurrent().data: "
                             + r1.getData()));
                 } else {
-                    addComponent(new Label("Root.getCurrent() is null"));
+                    addComponent(new Label("UI.getCurrent() is null"));
                 }
-                Root r2 = ((LoginForm) event.getSource()).getRoot();
+                UI r2 = ((LoginForm) event.getSource()).getRoot();
                 if (r2 != null) {
                     addComponent(new Label("event.getSource().data: "
                             + r2.getData()));
diff --git a/tests/testbench/com/vaadin/tests/components/loginform/LoginFormWithMultipleWindows.java b/tests/testbench/com/vaadin/tests/components/loginform/LoginFormWithMultipleWindows.java
index 83f89f0214..515734338b 100644
--- a/tests/testbench/com/vaadin/tests/components/loginform/LoginFormWithMultipleWindows.java
+++ b/tests/testbench/com/vaadin/tests/components/loginform/LoginFormWithMultipleWindows.java
@@ -5,14 +5,14 @@ import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.LoginForm;
 import com.vaadin.ui.LoginForm.LoginEvent;
 import com.vaadin.ui.LoginForm.LoginListener;
-import com.vaadin.ui.Root;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.UI.LegacyWindow;
 
 @SuppressWarnings("serial")
 public class LoginFormWithMultipleWindows extends Application {
 
     @Override
-    protected Root getRoot(WrappedRequest request) {
+    protected UI getRoot(WrappedRequest request) {
         return new LoginFormWindow();
     }
 
diff --git a/tests/testbench/com/vaadin/tests/components/menubar/MenuBarInSplitPanel.java b/tests/testbench/com/vaadin/tests/components/menubar/MenuBarInSplitPanel.java
index 2a6f952c0a..59aebd0bd7 100644
--- a/tests/testbench/com/vaadin/tests/components/menubar/MenuBarInSplitPanel.java
+++ b/tests/testbench/com/vaadin/tests/components/menubar/MenuBarInSplitPanel.java
@@ -4,7 +4,7 @@ import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.MenuBar;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/menubar/MenuBarRunsOutOfBrowser.java b/tests/testbench/com/vaadin/tests/components/menubar/MenuBarRunsOutOfBrowser.java
index 33e6c0b4a9..2c4a975f9b 100644
--- a/tests/testbench/com/vaadin/tests/components/menubar/MenuBarRunsOutOfBrowser.java
+++ b/tests/testbench/com/vaadin/tests/components/menubar/MenuBarRunsOutOfBrowser.java
@@ -4,7 +4,7 @@ import com.vaadin.terminal.ThemeResource;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.MenuBar;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class MenuBarRunsOutOfBrowser extends AbstractTestCase {
diff --git a/tests/testbench/com/vaadin/tests/components/orderedlayout/VerticalLayoutWidthCalculation.java b/tests/testbench/com/vaadin/tests/components/orderedlayout/VerticalLayoutWidthCalculation.java
index 945ccf0e28..bc76a0c0ce 100644
--- a/tests/testbench/com/vaadin/tests/components/orderedlayout/VerticalLayoutWidthCalculation.java
+++ b/tests/testbench/com/vaadin/tests/components/orderedlayout/VerticalLayoutWidthCalculation.java
@@ -4,7 +4,7 @@ import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
diff --git a/tests/testbench/com/vaadin/tests/components/root/LazyInitRoots.java b/tests/testbench/com/vaadin/tests/components/root/LazyInitRoots.java
index 254410a549..aca7211aec 100644
--- a/tests/testbench/com/vaadin/tests/components/root/LazyInitRoots.java
+++ b/tests/testbench/com/vaadin/tests/components/root/LazyInitRoots.java
@@ -9,12 +9,12 @@ import com.vaadin.terminal.WrappedRequest.BrowserDetails;
 import com.vaadin.tests.components.AbstractTestApplication;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class LazyInitRoots extends AbstractTestApplication {
 
     @EagerInit
-    private static class EagerInitRoot extends Root {
+    private static class EagerInitRoot extends UI {
         @Override
         public void init(WrappedRequest request) {
             addComponent(getRequestInfo("EagerInitRoot", request));
@@ -22,29 +22,29 @@ public class LazyInitRoots extends AbstractTestApplication {
     }
 
     @Override
-    public Root getRoot(WrappedRequest request)
+    public UI getRoot(WrappedRequest request)
             throws RootRequiresMoreInformationException {
         if (request.getParameter("lazyCreate") != null) {
-            // Root created on second request
+            // UI created on second request
             BrowserDetails browserDetails = request.getBrowserDetails();
             if (browserDetails == null
                     || browserDetails.getUriFragment() == null) {
                 throw new RootRequiresMoreInformationException();
             } else {
-                Root root = new Root() {
+                UI uI = new UI() {
                     @Override
                     protected void init(WrappedRequest request) {
                         addComponent(getRequestInfo("LazyCreateRoot", request));
                     }
                 };
-                return root;
+                return uI;
             }
         } else if (request.getParameter("eagerInit") != null) {
-            // Root inited on first request
+            // UI inited on first request
             return new EagerInitRoot();
         } else {
             // The standard root
-            Root root = new Root() {
+            UI uI = new UI() {
                 @Override
                 protected void init(WrappedRequest request) {
                     addComponent(getRequestInfo("NormalRoot", request));
@@ -63,7 +63,7 @@ public class LazyInitRoots extends AbstractTestApplication {
                 }
             };
 
-            return root;
+            return uI;
         }
     }
 
@@ -78,7 +78,7 @@ public class LazyInitRoots extends AbstractTestApplication {
 
     @Override
     protected String getTestDescription() {
-        return "BrowserDetails should be available in Application.getRoot if RootRequiresMoreInformation has been thrown and in Root.init if the root has the @RootInitRequiresBrowserDetals annotation";
+        return "BrowserDetails should be available in Application.getRoot if RootRequiresMoreInformation has been thrown and in UI.init if the root has the @RootInitRequiresBrowserDetals annotation";
     }
 
     @Override
diff --git a/tests/testbench/com/vaadin/tests/components/root/RootsInMultipleTabs.java b/tests/testbench/com/vaadin/tests/components/root/RootsInMultipleTabs.java
index ae3182401d..4309b6e942 100644
--- a/tests/testbench/com/vaadin/tests/components/root/RootsInMultipleTabs.java
+++ b/tests/testbench/com/vaadin/tests/components/root/RootsInMultipleTabs.java
@@ -6,12 +6,12 @@ import com.vaadin.terminal.AbstractRootProvider;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.tests.components.AbstractTestApplication;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class RootsInMultipleTabs extends AbstractTestApplication {
     private int numberOfRootsOpened;
 
-    public static class TabRoot extends Root {
+    public static class TabRoot extends UI {
         @Override
         protected void init(WrappedRequest request) {
             RootsInMultipleTabs application = (RootsInMultipleTabs) getApplication();
@@ -25,7 +25,7 @@ public class RootsInMultipleTabs extends AbstractTestApplication {
     public RootsInMultipleTabs() {
         addRootProvider(new AbstractRootProvider() {
             @Override
-            public Class<? extends Root> getRootClass(Application application,
+            public Class<? extends UI> getRootClass(Application application,
                     WrappedRequest request)
                     throws RootRequiresMoreInformationException {
                 return TabRoot.class;
@@ -35,7 +35,7 @@ public class RootsInMultipleTabs extends AbstractTestApplication {
 
     @Override
     protected String getTestDescription() {
-        return "Opening the same application again (e.g. in a new tab) should create a new Root.";
+        return "Opening the same application again (e.g. in a new tab) should create a new UI.";
     }
 
     @Override
diff --git a/tests/testbench/com/vaadin/tests/components/root/TestRootTheme.java b/tests/testbench/com/vaadin/tests/components/root/TestRootTheme.java
index 77c0bdb150..7a734e8497 100644
--- a/tests/testbench/com/vaadin/tests/components/root/TestRootTheme.java
+++ b/tests/testbench/com/vaadin/tests/components/root/TestRootTheme.java
@@ -17,7 +17,7 @@ public class TestRootTheme extends AbstractTestRoot {
 
     @Override
     public String getTestDescription() {
-        return "Root with @RootTheme(\"tests-tickets\")";
+        return "UI with @RootTheme(\"tests-tickets\")";
     }
 
     @Override
diff --git a/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelExtraScrollbars.java b/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelExtraScrollbars.java
index 00012522ca..5554b2b9f3 100644
--- a/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelExtraScrollbars.java
+++ b/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelExtraScrollbars.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.NativeButton;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class SplitPanelExtraScrollbars extends AbstractTestCase implements
         ClickListener {
diff --git a/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelWidthOnResize.java b/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelWidthOnResize.java
index e80ad29426..3cdc0c8913 100644
--- a/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelWidthOnResize.java
+++ b/tests/testbench/com/vaadin/tests/components/splitpanel/SplitPanelWidthOnResize.java
@@ -5,7 +5,7 @@ import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.NativeButton;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/table/ScrollCausesRequestLoop.java b/tests/testbench/com/vaadin/tests/components/table/ScrollCausesRequestLoop.java
index 75468af247..edd524d657 100644
--- a/tests/testbench/com/vaadin/tests/components/table/ScrollCausesRequestLoop.java
+++ b/tests/testbench/com/vaadin/tests/components/table/ScrollCausesRequestLoop.java
@@ -7,7 +7,7 @@ import com.vaadin.data.util.BeanItemContainer;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.tests.util.Person;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class ScrollCausesRequestLoop extends AbstractTestCase {
diff --git a/tests/testbench/com/vaadin/tests/components/table/SortLongTable.java b/tests/testbench/com/vaadin/tests/components/table/SortLongTable.java
index 15872aa849..afc63c0eda 100644
--- a/tests/testbench/com/vaadin/tests/components/table/SortLongTable.java
+++ b/tests/testbench/com/vaadin/tests/components/table/SortLongTable.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.components.table;
 
 import com.vaadin.tests.components.AbstractTestCase;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/table/TableExtraScrollbars.java b/tests/testbench/com/vaadin/tests/components/table/TableExtraScrollbars.java
index 010093bf8f..f8fb624c0b 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TableExtraScrollbars.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TableExtraScrollbars.java
@@ -4,7 +4,7 @@ import com.vaadin.data.Container;
 import com.vaadin.data.Item;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.tests.components.AbstractTestCase;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/table/TableFirstRowFlicker.java b/tests/testbench/com/vaadin/tests/components/table/TableFirstRowFlicker.java
index 3101615cfd..90df5610eb 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TableFirstRowFlicker.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TableFirstRowFlicker.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Container;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.ProgressIndicator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/table/TableHeaderZoom.java b/tests/testbench/com/vaadin/tests/components/table/TableHeaderZoom.java
index bce96ebced..26f8e25d3b 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TableHeaderZoom.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TableHeaderZoom.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.components.table;
 
 import com.vaadin.tests.components.TestBase;
 import com.vaadin.ui.CssLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class TableHeaderZoom extends TestBase {
diff --git a/tests/testbench/com/vaadin/tests/components/table/TableHeightWhenHidingHeaders.java b/tests/testbench/com/vaadin/tests/components/table/TableHeightWhenHidingHeaders.java
index 0173f928dd..6bbf06635a 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TableHeightWhenHidingHeaders.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TableHeightWhenHidingHeaders.java
@@ -4,7 +4,7 @@ import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.Property.ValueChangeListener;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/components/table/TableToggleVisibility.java b/tests/testbench/com/vaadin/tests/components/table/TableToggleVisibility.java
index 0465d2f886..9ca2605cd9 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TableToggleVisibility.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TableToggleVisibility.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/table/TestCurrentPageFirstItem.java b/tests/testbench/com/vaadin/tests/components/table/TestCurrentPageFirstItem.java
index d629c9a917..c563312efa 100644
--- a/tests/testbench/com/vaadin/tests/components/table/TestCurrentPageFirstItem.java
+++ b/tests/testbench/com/vaadin/tests/components/table/TestCurrentPageFirstItem.java
@@ -7,7 +7,7 @@ import com.vaadin.tests.components.TestBase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/components/tabsheet/TabsheetNPE.java b/tests/testbench/com/vaadin/tests/components/tabsheet/TabsheetNPE.java
index 8e4c4d40fb..1934649902 100644
--- a/tests/testbench/com/vaadin/tests/components/tabsheet/TabsheetNPE.java
+++ b/tests/testbench/com/vaadin/tests/components/tabsheet/TabsheetNPE.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.TabSheet.Tab;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/components/textfield/TextFieldInLayoutInTable.java b/tests/testbench/com/vaadin/tests/components/textfield/TextFieldInLayoutInTable.java
index 3e1a709243..903226c87c 100644
--- a/tests/testbench/com/vaadin/tests/components/textfield/TextFieldInLayoutInTable.java
+++ b/tests/testbench/com/vaadin/tests/components/textfield/TextFieldInLayoutInTable.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.components.textfield;
 import com.vaadin.Application;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/components/tree/TreePerformanceTest.java b/tests/testbench/com/vaadin/tests/components/tree/TreePerformanceTest.java
index 9d58762f60..892b7e669a 100644
--- a/tests/testbench/com/vaadin/tests/components/tree/TreePerformanceTest.java
+++ b/tests/testbench/com/vaadin/tests/components/tree/TreePerformanceTest.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.components.tree;
 
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/components/tree/TreeScrolling.java b/tests/testbench/com/vaadin/tests/components/tree/TreeScrolling.java
index abc9a5385d..70c2d5d433 100644
--- a/tests/testbench/com/vaadin/tests/components/tree/TreeScrolling.java
+++ b/tests/testbench/com/vaadin/tests/components/tree/TreeScrolling.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.components.tree;
 
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.RichTextArea;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/components/treetable/DisappearingComponents.java b/tests/testbench/com/vaadin/tests/components/treetable/DisappearingComponents.java
index 329e5d291d..8f9c1deaf5 100644
--- a/tests/testbench/com/vaadin/tests/components/treetable/DisappearingComponents.java
+++ b/tests/testbench/com/vaadin/tests/components/treetable/DisappearingComponents.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.components.treetable;
 import com.vaadin.terminal.ExternalResource;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TreeTable;
 
 public class DisappearingComponents extends AbstractTestCase {
diff --git a/tests/testbench/com/vaadin/tests/components/window/AttachShouldBeCalledForSubWindows.java b/tests/testbench/com/vaadin/tests/components/window/AttachShouldBeCalledForSubWindows.java
index 52a94daec7..a2f03212b0 100644
--- a/tests/testbench/com/vaadin/tests/components/window/AttachShouldBeCalledForSubWindows.java
+++ b/tests/testbench/com/vaadin/tests/components/window/AttachShouldBeCalledForSubWindows.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Window;
 
 public class AttachShouldBeCalledForSubWindows extends AbstractTestCase
@@ -26,7 +26,7 @@ public class AttachShouldBeCalledForSubWindows extends AbstractTestCase
     @Override
     public void init() {
 
-        Root.LegacyWindow mainWindow = new Root.LegacyWindow() {
+        UI.LegacyWindow mainWindow = new UI.LegacyWindow() {
             @Override
             public void attach() {
                 log(this);
diff --git a/tests/testbench/com/vaadin/tests/components/window/ExecuteJavaScript.java b/tests/testbench/com/vaadin/tests/components/window/ExecuteJavaScript.java
index a9744b2c06..92e0e734ff 100644
--- a/tests/testbench/com/vaadin/tests/components/window/ExecuteJavaScript.java
+++ b/tests/testbench/com/vaadin/tests/components/window/ExecuteJavaScript.java
@@ -4,7 +4,7 @@ import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class ExecuteJavaScript extends AbstractTestCase {
 
diff --git a/tests/testbench/com/vaadin/tests/components/window/LazyWindowResize.java b/tests/testbench/com/vaadin/tests/components/window/LazyWindowResize.java
index eb4803630f..80497528ca 100644
--- a/tests/testbench/com/vaadin/tests/components/window/LazyWindowResize.java
+++ b/tests/testbench/com/vaadin/tests/components/window/LazyWindowResize.java
@@ -10,7 +10,7 @@ import com.vaadin.tests.util.Log;
 import com.vaadin.tests.util.LoremIpsum;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 import com.vaadin.ui.Window.ResizeEvent;
 import com.vaadin.ui.Window.ResizeListener;
diff --git a/tests/testbench/com/vaadin/tests/components/window/SubWindowFocusAndBlurListeners.java b/tests/testbench/com/vaadin/tests/components/window/SubWindowFocusAndBlurListeners.java
index 061ee7900f..e4a7e288ad 100644
--- a/tests/testbench/com/vaadin/tests/components/window/SubWindowFocusAndBlurListeners.java
+++ b/tests/testbench/com/vaadin/tests/components/window/SubWindowFocusAndBlurListeners.java
@@ -11,7 +11,7 @@ import com.vaadin.tests.components.TestBase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Window;
 
@@ -64,7 +64,7 @@ public class SubWindowFocusAndBlurListeners extends TestBase {
             }
         });
 
-        Root main = getLayout().getRoot();
+        UI main = getLayout().getRoot();
 
         main.addWindow(window);
 
diff --git a/tests/testbench/com/vaadin/tests/components/window/SubWindowOrder.java b/tests/testbench/com/vaadin/tests/components/window/SubWindowOrder.java
index 02241476d5..0ca7fd1067 100644
--- a/tests/testbench/com/vaadin/tests/components/window/SubWindowOrder.java
+++ b/tests/testbench/com/vaadin/tests/components/window/SubWindowOrder.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.CssLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Window;
 
 public class SubWindowOrder extends TestBase {
@@ -20,7 +20,7 @@ public class SubWindowOrder extends TestBase {
 
     @Override
     protected void setup() {
-        Root mainWindow = getMainWindow();
+        UI mainWindow = getMainWindow();
         HorizontalLayout controlpanels = new HorizontalLayout();
         for (int i = 1; i <= 5; i++) {
             Window dialog = new Window("Dialog " + i);
diff --git a/tests/testbench/com/vaadin/tests/components/window/WindowScrollingComponentIntoView.java b/tests/testbench/com/vaadin/tests/components/window/WindowScrollingComponentIntoView.java
index fdeb21d29c..033de48446 100644
--- a/tests/testbench/com/vaadin/tests/components/window/WindowScrollingComponentIntoView.java
+++ b/tests/testbench/com/vaadin/tests/components/window/WindowScrollingComponentIntoView.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
diff --git a/tests/testbench/com/vaadin/tests/components/window/WindowScrollingUp.java b/tests/testbench/com/vaadin/tests/components/window/WindowScrollingUp.java
index 43f8297a5d..0f0db3a028 100644
--- a/tests/testbench/com/vaadin/tests/components/window/WindowScrollingUp.java
+++ b/tests/testbench/com/vaadin/tests/components/window/WindowScrollingUp.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.components.window;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class WindowScrollingUp extends AbstractTestCase {
diff --git a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/CheckboxUpdateProblem.java b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/CheckboxUpdateProblem.java
index 537c9be973..0c1fdc23f6 100644
--- a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/CheckboxUpdateProblem.java
+++ b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/CheckboxUpdateProblem.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Form;
 import com.vaadin.ui.HorizontalSplitPanel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class CheckboxUpdateProblem extends Application.LegacyApplication
diff --git a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/ComboBoxUpdateProblem.java b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/ComboBoxUpdateProblem.java
index b7d1b8c37e..aec0f0e28e 100644
--- a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/ComboBoxUpdateProblem.java
+++ b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/ComboBoxUpdateProblem.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.containers.sqlcontainer;
 import com.vaadin.Application;
 import com.vaadin.ui.AbstractSelect.Filtering;
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * See http://dev.vaadin.com/ticket/9155 .
@@ -13,7 +13,7 @@ public class ComboBoxUpdateProblem extends Application.LegacyApplication {
 
     @Override
     public void init() {
-        setMainWindow(new Root.LegacyWindow("Test window"));
+        setMainWindow(new UI.LegacyWindow("Test window"));
 
         ComboBox combo = new ComboBox("Names",
                 databaseHelper.getTestContainer());
diff --git a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/MassInsertMemoryLeakTestApp.java b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/MassInsertMemoryLeakTestApp.java
index dc919fdb12..8bb2ba1092 100644
--- a/tests/testbench/com/vaadin/tests/containers/sqlcontainer/MassInsertMemoryLeakTestApp.java
+++ b/tests/testbench/com/vaadin/tests/containers/sqlcontainer/MassInsertMemoryLeakTestApp.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.ComponentContainer;
 import com.vaadin.ui.ProgressIndicator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 // author table in testdb (MySQL) is set out as follows
diff --git a/tests/testbench/com/vaadin/tests/dd/DDTest2.java b/tests/testbench/com/vaadin/tests/dd/DDTest2.java
index 272be53034..99020d0b5b 100644
--- a/tests/testbench/com/vaadin/tests/dd/DDTest2.java
+++ b/tests/testbench/com/vaadin/tests/dd/DDTest2.java
@@ -24,7 +24,7 @@ import com.vaadin.ui.AbstractSelect;
 import com.vaadin.ui.AbstractSelect.AbstractSelectTargetDetails;
 import com.vaadin.ui.AbstractSelect.AcceptItem;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Table.TableTransferable;
 import com.vaadin.ui.Tree;
@@ -45,7 +45,7 @@ public class DDTest2 extends TestBase {
 
     @Override
     protected void setup() {
-        Root w = getLayout().getRoot();
+        UI w = getLayout().getRoot();
         /* darn reindeer has no icons */
 
         /* Make all trees (their nodes actually) draggable */
diff --git a/tests/testbench/com/vaadin/tests/dd/DDTest4.java b/tests/testbench/com/vaadin/tests/dd/DDTest4.java
index c7f0c6960b..bb85dff0b6 100644
--- a/tests/testbench/com/vaadin/tests/dd/DDTest4.java
+++ b/tests/testbench/com/vaadin/tests/dd/DDTest4.java
@@ -16,7 +16,7 @@ import com.vaadin.tests.util.PersonContainer;
 import com.vaadin.tests.util.TestUtils;
 import com.vaadin.ui.AbstractSelect.AbstractSelectTargetDetails;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Table;
 
 public class DDTest4 extends TestBase {
@@ -28,7 +28,7 @@ public class DDTest4 extends TestBase {
 
     @Override
     protected void setup() {
-        Root w = getLayout().getRoot();
+        UI w = getLayout().getRoot();
 
         TestUtils
                 .injectCSS(
diff --git a/tests/testbench/com/vaadin/tests/dd/DDTest5.java b/tests/testbench/com/vaadin/tests/dd/DDTest5.java
index 63d1e9e3c2..cb99b17da4 100644
--- a/tests/testbench/com/vaadin/tests/dd/DDTest5.java
+++ b/tests/testbench/com/vaadin/tests/dd/DDTest5.java
@@ -15,7 +15,7 @@ import com.vaadin.ui.DragAndDropWrapper.DragStartMode;
 import com.vaadin.ui.DragAndDropWrapper.WrapperTransferable;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class DDTest5 extends TestBase {
 
@@ -47,7 +47,7 @@ public class DDTest5 extends TestBase {
 
     @Override
     protected void setup() {
-        Root w = getLayout().getRoot();
+        UI w = getLayout().getRoot();
 
         HorizontalSortableCssLayoutWithWrappers verticalSortableCssLayoutWithWrappers = new HorizontalSortableCssLayoutWithWrappers();
         w.addWindow(verticalSortableCssLayoutWithWrappers);
diff --git a/tests/testbench/com/vaadin/tests/dd/DDTest7.java b/tests/testbench/com/vaadin/tests/dd/DDTest7.java
index f9be935b23..2af93c6c72 100644
--- a/tests/testbench/com/vaadin/tests/dd/DDTest7.java
+++ b/tests/testbench/com/vaadin/tests/dd/DDTest7.java
@@ -16,7 +16,7 @@ import com.vaadin.tests.util.PersonContainer;
 import com.vaadin.tests.util.TestUtils;
 import com.vaadin.ui.AbstractSelect.AbstractSelectTargetDetails;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Table;
 
 public class DDTest7 extends TestBase {
@@ -29,7 +29,7 @@ public class DDTest7 extends TestBase {
 
     @Override
     protected void setup() {
-        Root w = getLayout().getRoot();
+        UI w = getLayout().getRoot();
 
         TestUtils
                 .injectCSS(
diff --git a/tests/testbench/com/vaadin/tests/integration/EmbedSizeTest.java b/tests/testbench/com/vaadin/tests/integration/EmbedSizeTest.java
index f1345bca13..6a9f696e75 100644
--- a/tests/testbench/com/vaadin/tests/integration/EmbedSizeTest.java
+++ b/tests/testbench/com/vaadin/tests/integration/EmbedSizeTest.java
@@ -7,7 +7,7 @@ import com.vaadin.terminal.Page.BrowserWindowResizeEvent;
 import com.vaadin.tests.components.TestBase;
 import com.vaadin.tests.util.Log;
 import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class EmbedSizeTest extends TestBase {
 
diff --git a/tests/testbench/com/vaadin/tests/integration/IntegrationTestApplication.java b/tests/testbench/com/vaadin/tests/integration/IntegrationTestApplication.java
index c464409153..b3fc9c8ffb 100644
--- a/tests/testbench/com/vaadin/tests/integration/IntegrationTestApplication.java
+++ b/tests/testbench/com/vaadin/tests/integration/IntegrationTestApplication.java
@@ -7,7 +7,7 @@ import com.vaadin.data.Property.ValueChangeListener;
 import com.vaadin.terminal.ClassResource;
 import com.vaadin.terminal.Resource;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class IntegrationTestApplication extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/integration/JSR286PortletApplication.java b/tests/testbench/com/vaadin/tests/integration/JSR286PortletApplication.java
index 3374342947..c2a01b16dd 100644
--- a/tests/testbench/com/vaadin/tests/integration/JSR286PortletApplication.java
+++ b/tests/testbench/com/vaadin/tests/integration/JSR286PortletApplication.java
@@ -28,8 +28,8 @@ import com.vaadin.ui.Embedded;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Link;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Upload;
 import com.vaadin.ui.Upload.Receiver;
@@ -101,13 +101,13 @@ public class JSR286PortletApplication extends Application.LegacyApplication {
 
         @Override
         public void handleActionRequest(ActionRequest request,
-                ActionResponse response, Root window) {
+                ActionResponse response, UI window) {
             main.addComponent(new Label("Action received"));
         }
 
         @Override
         public void handleRenderRequest(RenderRequest request,
-                RenderResponse response, Root window) {
+                RenderResponse response, UI window) {
             // Portlet up-and-running, enable stuff
             portletEdit.setEnabled(true);
             portletMax.setEnabled(true);
@@ -181,13 +181,13 @@ public class JSR286PortletApplication extends Application.LegacyApplication {
 
         @Override
         public void handleEventRequest(EventRequest request,
-                EventResponse response, Root window) {
+                EventResponse response, UI window) {
             // events not used by this test
         }
 
         @Override
         public void handleResourceRequest(ResourceRequest request,
-                ResourceResponse response, Root window) {
+                ResourceResponse response, UI window) {
             // nothing special to do here
         }
     }
diff --git a/tests/testbench/com/vaadin/tests/integration/LiferayThemeDemo.java b/tests/testbench/com/vaadin/tests/integration/LiferayThemeDemo.java
index a35b78c219..41a3d18f9f 100644
--- a/tests/testbench/com/vaadin/tests/integration/LiferayThemeDemo.java
+++ b/tests/testbench/com/vaadin/tests/integration/LiferayThemeDemo.java
@@ -39,7 +39,7 @@ import com.vaadin.ui.NativeSelect;
 import com.vaadin.ui.Notification;
 import com.vaadin.ui.Panel;
 import com.vaadin.ui.PopupView;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Slider;
 import com.vaadin.ui.Slider.ValueOutOfBoundsException;
 import com.vaadin.ui.TabSheet;
diff --git a/tests/testbench/com/vaadin/tests/integration/PortletSizeInLiferayFreeformLayoutApplication.java b/tests/testbench/com/vaadin/tests/integration/PortletSizeInLiferayFreeformLayoutApplication.java
index 20967203bc..fc54547890 100644
--- a/tests/testbench/com/vaadin/tests/integration/PortletSizeInLiferayFreeformLayoutApplication.java
+++ b/tests/testbench/com/vaadin/tests/integration/PortletSizeInLiferayFreeformLayoutApplication.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.integration;
 
 import com.vaadin.Application.LegacyApplication;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/layouts/ComplexGLColumnExpansionWithColSpan.java b/tests/testbench/com/vaadin/tests/layouts/ComplexGLColumnExpansionWithColSpan.java
index 51f9e2d88e..25821cb92c 100644
--- a/tests/testbench/com/vaadin/tests/layouts/ComplexGLColumnExpansionWithColSpan.java
+++ b/tests/testbench/com/vaadin/tests/layouts/ComplexGLColumnExpansionWithColSpan.java
@@ -4,7 +4,7 @@ import com.vaadin.terminal.Sizeable;
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/GridLayoutCaptions.java b/tests/testbench/com/vaadin/tests/layouts/GridLayoutCaptions.java
index 8713208dc6..2d5bc8d59a 100644
--- a/tests/testbench/com/vaadin/tests/layouts/GridLayoutCaptions.java
+++ b/tests/testbench/com/vaadin/tests/layouts/GridLayoutCaptions.java
@@ -15,7 +15,7 @@ import com.vaadin.ui.Form;
 import com.vaadin.ui.FormFieldFactory;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/GridLayoutExpandRatioModification.java b/tests/testbench/com/vaadin/tests/layouts/GridLayoutExpandRatioModification.java
index 84f27e5f03..acc5f07103 100644
--- a/tests/testbench/com/vaadin/tests/layouts/GridLayoutExpandRatioModification.java
+++ b/tests/testbench/com/vaadin/tests/layouts/GridLayoutExpandRatioModification.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/GridLayoutInsidePanel2.java b/tests/testbench/com/vaadin/tests/layouts/GridLayoutInsidePanel2.java
index d6ea84e44e..6273b92838 100644
--- a/tests/testbench/com/vaadin/tests/layouts/GridLayoutInsidePanel2.java
+++ b/tests/testbench/com/vaadin/tests/layouts/GridLayoutInsidePanel2.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class GridLayoutInsidePanel2 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/MovingComponentsWhileOldParentInvisible.java b/tests/testbench/com/vaadin/tests/layouts/MovingComponentsWhileOldParentInvisible.java
index 5f91786571..0621fd5d92 100644
--- a/tests/testbench/com/vaadin/tests/layouts/MovingComponentsWhileOldParentInvisible.java
+++ b/tests/testbench/com/vaadin/tests/layouts/MovingComponentsWhileOldParentInvisible.java
@@ -14,7 +14,7 @@ import com.vaadin.ui.CustomLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.LoginForm;
 import com.vaadin.ui.PopupView;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Window;
 
 public class MovingComponentsWhileOldParentInvisible extends TestBase {
@@ -45,7 +45,7 @@ public class MovingComponentsWhileOldParentInvisible extends TestBase {
             if (cls == LoginForm.class || cls == CustomLayout.class
                     || CustomComponent.class.isAssignableFrom(cls)
                     || cls == PopupView.class || cls == Window.class
-                    || cls == Root.class) {
+                    || cls == UI.class) {
                 // Does not support addComponent
                 continue;
             }
diff --git a/tests/testbench/com/vaadin/tests/layouts/TestLayoutClickListeners.java b/tests/testbench/com/vaadin/tests/layouts/TestLayoutClickListeners.java
index b998abeb02..44f40a7d78 100644
--- a/tests/testbench/com/vaadin/tests/layouts/TestLayoutClickListeners.java
+++ b/tests/testbench/com/vaadin/tests/layouts/TestLayoutClickListeners.java
@@ -13,7 +13,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/layouts/TreeWithBordersInLayout.java b/tests/testbench/com/vaadin/tests/layouts/TreeWithBordersInLayout.java
index 8d506e0884..8786ae282c 100644
--- a/tests/testbench/com/vaadin/tests/layouts/TreeWithBordersInLayout.java
+++ b/tests/testbench/com/vaadin/tests/layouts/TreeWithBordersInLayout.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.layouts;
 
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/VerticalLayoutExpandRatioModification.java b/tests/testbench/com/vaadin/tests/layouts/VerticalLayoutExpandRatioModification.java
index 916a82bb85..ef24150762 100644
--- a/tests/testbench/com/vaadin/tests/layouts/VerticalLayoutExpandRatioModification.java
+++ b/tests/testbench/com/vaadin/tests/layouts/VerticalLayoutExpandRatioModification.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/layouts/layouttester/LayoutTesterApplication.java b/tests/testbench/com/vaadin/tests/layouts/layouttester/LayoutTesterApplication.java
index 90193be7cc..e31ecc2498 100644
--- a/tests/testbench/com/vaadin/tests/layouts/layouttester/LayoutTesterApplication.java
+++ b/tests/testbench/com/vaadin/tests/layouts/layouttester/LayoutTesterApplication.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.NativeSelect;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.themes.Reindeer;
 
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/AutoGeneratingForm.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/AutoGeneratingForm.java
index 00d336de92..08556e99d0 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/AutoGeneratingForm.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/AutoGeneratingForm.java
@@ -20,7 +20,7 @@ import com.vaadin.data.fieldgroup.BeanFieldGroup;
 import com.vaadin.data.fieldgroup.FieldGroup;
 import com.vaadin.data.util.BeanItem;
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -30,7 +30,7 @@ import com.vaadin.ui.Root;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class AutoGeneratingForm extends Root {
+public class AutoGeneratingForm extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/BasicApplication.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/BasicApplication.java
index 43e404b461..f3e6653288 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/BasicApplication.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/BasicApplication.java
@@ -18,7 +18,7 @@ package com.vaadin.tests.minitutorials.v7a1;
 
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 
 /**
@@ -28,7 +28,7 @@ import com.vaadin.ui.VerticalLayout;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class BasicApplication extends Root {
+public class BasicApplication extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/CreatingPreserveState.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/CreatingPreserveState.java
index 0a04aead7f..4181c071f0 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/CreatingPreserveState.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/CreatingPreserveState.java
@@ -17,7 +17,7 @@
 package com.vaadin.tests.minitutorials.v7a1;
 
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.TextField;
 
 /**
@@ -28,7 +28,7 @@ import com.vaadin.ui.TextField;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class CreatingPreserveState extends Root {
+public class CreatingPreserveState extends UI {
     private static int windowCounter = 0;
 
     @Override
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DefineRootTheme.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DefineRootTheme.java
index 5296f03c30..6c9282eb01 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DefineRootTheme.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DefineRootTheme.java
@@ -19,7 +19,7 @@ package com.vaadin.tests.minitutorials.v7a1;
 import com.vaadin.annotations.Theme;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 
 /**
@@ -30,7 +30,7 @@ import com.vaadin.ui.VerticalLayout;
  * @since 7.0.0
  */
 @Theme("hello-theme")
-public class DefineRootTheme extends Root {
+public class DefineRootTheme extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DifferentFeaturesForDifferentClients.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DifferentFeaturesForDifferentClients.java
index 616fea7ff2..a601ff2eb4 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DifferentFeaturesForDifferentClients.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/DifferentFeaturesForDifferentClients.java
@@ -22,7 +22,7 @@ import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.terminal.WrappedRequest.BrowserDetails;
 import com.vaadin.terminal.gwt.server.WebBrowser;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -35,7 +35,7 @@ import com.vaadin.ui.Root;
 public class DifferentFeaturesForDifferentClients extends Application {
 
     @Override
-    protected Root getRoot(WrappedRequest request)
+    protected UI getRoot(WrappedRequest request)
             throws RootRequiresMoreInformationException {
         BrowserDetails browserDetails = request.getBrowserDetails();
         // This is a limitation of 7.0.0.alpha1 that there is no better way to
@@ -53,7 +53,7 @@ public class DifferentFeaturesForDifferentClients extends Application {
     }
 }
 
-class DefaultRoot extends Root {
+class DefaultRoot extends UI {
     @Override
     protected void init(WrappedRequest request) {
         getContent().addComponent(
@@ -61,7 +61,7 @@ class DefaultRoot extends Root {
     }
 }
 
-class TouchRoot extends Root {
+class TouchRoot extends UI {
     @Override
     protected void init(WrappedRequest request) {
         WebBrowser webBrowser = request.getBrowserDetails().getWebBrowser();
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/FindCurrentRootAndApplication.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/FindCurrentRootAndApplication.java
index d53ede3518..a786ecb533 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/FindCurrentRootAndApplication.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/FindCurrentRootAndApplication.java
@@ -22,7 +22,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -32,7 +32,7 @@ import com.vaadin.ui.Root;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class FindCurrentRootAndApplication extends Root {
+public class FindCurrentRootAndApplication extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
@@ -50,8 +50,8 @@ public class FindCurrentRootAndApplication extends Root {
         helloButton.addListener(new ClickListener() {
             @Override
             public void buttonClick(ClickEvent event) {
-                Notification.show("This Root is "
-                        + Root.getCurrent().getClass().getSimpleName());
+                Notification.show("This UI is "
+                        + UI.getCurrent().getClass().getSimpleName());
             }
         });
 
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/MultiTabApplication.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/MultiTabApplication.java
index d2b1ed95e0..d82f4b1382 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/MultiTabApplication.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/MultiTabApplication.java
@@ -20,7 +20,7 @@ import com.vaadin.terminal.ExternalResource;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 
 /**
@@ -30,7 +30,7 @@ import com.vaadin.ui.VerticalLayout;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class MultiTabApplication extends Root {
+public class MultiTabApplication extends UI {
 
     private class MainView extends VerticalLayout {
         public MainView() {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingBeanValidation.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingBeanValidation.java
index 906ace6f53..c2f983c9bb 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingBeanValidation.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingBeanValidation.java
@@ -23,7 +23,7 @@ import javax.validation.constraints.Size;
 import com.vaadin.data.util.BeanItem;
 import com.vaadin.data.validator.BeanValidator;
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.TextField;
 
 /**
@@ -34,7 +34,7 @@ import com.vaadin.ui.TextField;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class UsingBeanValidation extends Root {
+public class UsingBeanValidation extends UI {
     class Person {
 
         @Size(min = 5, max = 50)
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingUriFragments.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingUriFragments.java
index db6ee57477..042c02316f 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingUriFragments.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingUriFragments.java
@@ -22,7 +22,7 @@ import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -31,7 +31,7 @@ import com.vaadin.ui.Root;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class UsingUriFragments extends Root {
+public class UsingUriFragments extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingXyzWhenInitializing.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingXyzWhenInitializing.java
index 64b643a185..4a689d8c12 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingXyzWhenInitializing.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a1/UsingXyzWhenInitializing.java
@@ -18,7 +18,7 @@ package com.vaadin.tests.minitutorials.v7a1;
 
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -28,7 +28,7 @@ import com.vaadin.ui.Root;
  * @author Vaadin Ltd
  * @since 7.0.0
  */
-public class UsingXyzWhenInitializing extends Root {
+public class UsingXyzWhenInitializing extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ComponentInStateRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ComponentInStateRoot.java
index 0ed4a7781e..b5bf8538ed 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ComponentInStateRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ComponentInStateRoot.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.minitutorials.v7a2;
 import com.vaadin.annotations.Widgetset;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -14,7 +14,7 @@ import com.vaadin.ui.Root;
  * @since 7.0.0
  */
 @Widgetset("com.vaadin.tests.widgetset.TestingWidgetSet")
-public class ComponentInStateRoot extends Root {
+public class ComponentInStateRoot extends UI {
     @Override
     protected void init(WrappedRequest request) {
         ComponentInStateComponent component = new ComponentInStateComponent();
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/MyComponentRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/MyComponentRoot.java
index ef692ef8a3..87aede8da9 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/MyComponentRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/MyComponentRoot.java
@@ -18,7 +18,7 @@ package com.vaadin.tests.minitutorials.v7a2;
 
 import com.vaadin.annotations.Widgetset;
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -33,7 +33,7 @@ import com.vaadin.ui.Root;
  * @since 7.0.0
  */
 @Widgetset("com.vaadin.tests.widgetset.TestingWidgetSet")
-public class MyComponentRoot extends Root {
+public class MyComponentRoot extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ResourceInStateRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ResourceInStateRoot.java
index 69c2a0d040..04e2cf089e 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ResourceInStateRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/ResourceInStateRoot.java
@@ -19,7 +19,7 @@ package com.vaadin.tests.minitutorials.v7a2;
 import com.vaadin.annotations.Widgetset;
 import com.vaadin.terminal.ThemeResource;
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Mini tutorial code for
@@ -30,7 +30,7 @@ import com.vaadin.ui.Root;
  * @since 7.0.0
  */
 @Widgetset("com.vaadin.tests.widgetset.TestingWidgetSet")
-public class ResourceInStateRoot extends Root {
+public class ResourceInStateRoot extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/WidgetcontainerRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/WidgetcontainerRoot.java
index fae4265750..38f008d8a0 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a2/WidgetcontainerRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a2/WidgetcontainerRoot.java
@@ -10,10 +10,10 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 @Widgetset("com.vaadin.tests.widgetset.TestingWidgetSet")
-public class WidgetcontainerRoot extends Root {
+public class WidgetcontainerRoot extends UI {
     @Override
     public void init(WrappedRequest request) {
         Label label = new Label("Hello Vaadin user");
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/Analytics.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/Analytics.java
index 6c247cae44..6f2be3c7d7 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/Analytics.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/Analytics.java
@@ -19,7 +19,7 @@ package com.vaadin.tests.minitutorials.v7a3;
 import com.vaadin.annotations.JavaScript;
 import com.vaadin.terminal.AbstractJavaScriptExtension;
 import com.vaadin.terminal.gwt.server.ClientConnector;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 @JavaScript("analytics_connector.js")
 public class Analytics extends AbstractJavaScriptExtension {
@@ -38,12 +38,12 @@ public class Analytics extends AbstractJavaScriptExtension {
         callFunction("pushCommand", (Object) commandAndArguments);
     }
 
-    protected void extend(Root root) {
-        super.extend(root);
+    protected void extend(UI uI) {
+        super.extend(uI);
     }
 
     @Override
     protected Class<? extends ClientConnector> getSupportedParentType() {
-        return Root.class;
+        return UI.class;
     }
 }
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/AnalyticsRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/AnalyticsRoot.java
index df588b6f2d..05255d71cb 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/AnalyticsRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/AnalyticsRoot.java
@@ -19,9 +19,9 @@ package com.vaadin.tests.minitutorials.v7a3;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
-public class AnalyticsRoot extends Root {
+public class AnalyticsRoot extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesComponent.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesComponent.java
index 9a477bf6dd..5b6a693389 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesComponent.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesComponent.java
@@ -25,7 +25,7 @@ import java.util.Map;
 import com.vaadin.annotations.JavaScript;
 import com.vaadin.shared.Connector;
 import com.vaadin.ui.AbstractJavaScriptComponent;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 @JavaScript("complex_types_connector.js")
 public class ComplexTypesComponent extends AbstractJavaScriptComponent {
@@ -45,7 +45,7 @@ public class ComplexTypesComponent extends AbstractJavaScriptComponent {
 
         Map<Connector, String> connectorMap = new HashMap<Connector, String>();
         connectorMap.put(this, "this");
-        connectorMap.put(Root.getCurrent(), "root");
+        connectorMap.put(UI.getCurrent(), "root");
 
         boolean[] bits = { true, true, false, true };
 
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesRoot.java
index 5e19d8ab1a..ffe654d0b3 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/ComplexTypesRoot.java
@@ -17,9 +17,9 @@
 package com.vaadin.tests.minitutorials.v7a3;
 
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
-public class ComplexTypesRoot extends Root {
+public class ComplexTypesRoot extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/FlotJavaScriptRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/FlotJavaScriptRoot.java
index f0584c2147..a8bf867fb5 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/FlotJavaScriptRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/FlotJavaScriptRoot.java
@@ -19,9 +19,9 @@ package com.vaadin.tests.minitutorials.v7a3;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
-public class FlotJavaScriptRoot extends Root {
+public class FlotJavaScriptRoot extends UI {
 
     @Override
     protected void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/RedButtonRoot.java b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/RedButtonRoot.java
index 1bf30b0054..73fba3fd7e 100644
--- a/tests/testbench/com/vaadin/tests/minitutorials/v7a3/RedButtonRoot.java
+++ b/tests/testbench/com/vaadin/tests/minitutorials/v7a3/RedButtonRoot.java
@@ -17,9 +17,9 @@
 package com.vaadin.tests.minitutorials.v7a3;
 
 import com.vaadin.terminal.WrappedRequest;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
-public class RedButtonRoot extends Root {
+public class RedButtonRoot extends UI {
     @Override
     protected void init(WrappedRequest request) {
         addComponent(new RedButton("My red button"));
diff --git a/tests/testbench/com/vaadin/tests/themes/ButtonsTest.java b/tests/testbench/com/vaadin/tests/themes/ButtonsTest.java
index a2d482dfbf..62160d233a 100644
--- a/tests/testbench/com/vaadin/tests/themes/ButtonsTest.java
+++ b/tests/testbench/com/vaadin/tests/themes/ButtonsTest.java
@@ -10,13 +10,13 @@ import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.NativeButton;
-import com.vaadin.ui.Root;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.UI.LegacyWindow;
 
 @SuppressWarnings("serial")
 public class ButtonsTest extends com.vaadin.Application.LegacyApplication {
 
-    final Root.LegacyWindow main = new LegacyWindow("Button states & themes");
+    final UI.LegacyWindow main = new LegacyWindow("Button states & themes");
 
     CheckBox styleToggle;
     CheckBox iconToggle;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1225.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1225.java
index 299c939043..8c99fe6ebb 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1225.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1225.java
@@ -5,7 +5,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.tests.TestForTablesInitialColumnWidthLogicRendering;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1230.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1230.java
index b1841b69ba..e11d6ea024 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1230.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1230.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 
 public class Ticket1230 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket124.java b/tests/testbench/com/vaadin/tests/tickets/Ticket124.java
index 8761db1cc3..4bcf31a366 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket124.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket124.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket124 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1245.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1245.java
index a5aa8cd2ac..6aa1c1752a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1245.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1245.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Property;
 import com.vaadin.ui.AbstractSelect;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Tree;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1365.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1365.java
index 7e9f5dab2c..c617b07248 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1365.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1365.java
@@ -4,7 +4,7 @@ import com.vaadin.event.Action;
 import com.vaadin.event.Action.Handler;
 import com.vaadin.event.ShortcutAction;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1365 extends com.vaadin.Application.LegacyApplication
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1368.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1368.java
index 92d3598382..16b47a1f31 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1368.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1368.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.tests.TestForTablesInitialColumnWidthLogicRendering;
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1397.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1397.java
index 3ba7ae2bfa..e162e96bfa 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1397.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1397.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.InlineDateField;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
 import com.vaadin.ui.PopupView;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1435.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1435.java
index d6d3b132c3..d46a56f73a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1435.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1435.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.MarginHandler;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1444.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1444.java
index a597a5b242..1da3b5c290 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1444.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1444.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1444 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1465ModalNotification.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1465ModalNotification.java
index 4b7d4201e0..3c766ef985 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1465ModalNotification.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1465ModalNotification.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class Ticket1465ModalNotification extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1519.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1519.java
index 1c4156d7ff..8b1736637b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1519.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1519.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.CustomLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 
 public class Ticket1519 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1572.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1572.java
index 87ea7e86a8..a511bae6d9 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1572.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1572.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1572 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1581.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1581.java
index 6831d4c52d..5025605413 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1581.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1581.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.ProgressIndicator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1581 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1589.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1589.java
index 95cc918b6e..92a480c3d2 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1589.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1589.java
@@ -17,7 +17,7 @@ import com.vaadin.terminal.RequestHandler;
 import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.terminal.WrappedResponse;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1589 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1598.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1598.java
index 5cb03e77af..05fd0c3f1f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1598.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1598.java
@@ -8,7 +8,7 @@ import com.vaadin.terminal.ThemeResource;
 import com.vaadin.ui.MenuBar;
 import com.vaadin.ui.MenuBar.Command;
 import com.vaadin.ui.MenuBar.MenuItem;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1598 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket161.java b/tests/testbench/com/vaadin/tests/tickets/Ticket161.java
index b8bf8deb20..4da1b3a6b4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket161.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket161.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Container;
 import com.vaadin.tests.TestForTablesInitialColumnWidthLogicRendering;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1632.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1632.java
index 43feab5ab7..bca902a73f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1632.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1632.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.data.Item;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1659.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1659.java
index 3c64a49316..55d08069ed 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1659.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1659.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1659 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1663.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1663.java
index 64d53e33f6..b07e9df0e5 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1663.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1663.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.terminal.SystemError;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1663 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1673.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1673.java
index 277096598e..99f213541a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1673.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1673.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1673 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1710.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1710.java
index 6547572e6d..d3c2437219 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1710.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1710.java
@@ -24,7 +24,7 @@ import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.AlignmentHandler;
 import com.vaadin.ui.NativeSelect;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1737.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1737.java
index ccd649c542..364ad9b6cf 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1737.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1737.java
@@ -7,7 +7,7 @@ import com.vaadin.terminal.Resource;
 import com.vaadin.ui.Embedded;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1737 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1767.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1767.java
index bf57118a8c..eca0c0f833 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1767.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1767.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1767 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1772.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1772.java
index 2cbb648227..a269acc1e0 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1772.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1772.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1772 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1775.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1775.java
index 63af96b1a2..ec28a957bb 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1775.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1775.java
@@ -4,7 +4,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.CustomLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1775 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1804.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1804.java
index 0a89675fc0..780215aa2a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1804.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1804.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.AbstractField;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1805.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1805.java
index e5fcf59db8..7f5c684479 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1805.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1805.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout.MarginHandler;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1805 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1806.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1806.java
index fa572039aa..8359b024aa 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1806.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1806.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1806 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1811.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1811.java
index 695be19300..824c58436f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1811.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1811.java
@@ -9,7 +9,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1819.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1819.java
index 42474d748d..e16b2c2774 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1819.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1819.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.AbstractField;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1834PanelScrolling.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1834PanelScrolling.java
index e31748ec2f..f7329037cc 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1834PanelScrolling.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1834PanelScrolling.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1834PanelScrolling extends
         com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1857.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1857.java
index 4b546de0f6..039f867fff 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1857.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1857.java
@@ -7,7 +7,7 @@ import com.vaadin.event.Action;
 import com.vaadin.event.Action.Handler;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1868.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1868.java
index 1af0ed2041..8bd4a77204 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1868.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1868.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1868 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1869.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1869.java
index d51c0990ae..741adecae4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1869.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1869.java
@@ -4,7 +4,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1869 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1878.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1878.java
index 0a8992c17f..1b60d535cf 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1878.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1878.java
@@ -23,7 +23,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.AlignmentHandler;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1900.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1900.java
index 9fe8ccd801..136af23474 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1900.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1900.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.data.Property;
 import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.Validator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1900 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1904.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1904.java
index 2837d71e67..f35463f6a8 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1904.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1904.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1904 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1916.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1916.java
index 790d3aa931..3b50804938 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1916.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1916.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.terminal.UserError;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket1916 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1919.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1919.java
index 75a2aafb96..8e9e0cb0ba 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1919.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1919.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1919 extends com.vaadin.Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1921.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1921.java
index 416bb80875..3d79de5d1d 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1921.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1921.java
@@ -10,7 +10,7 @@ import com.vaadin.terminal.WrappedResponse;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1921 extends Application.LegacyApplication implements
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1923.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1923.java
index 17a7dacf26..2bde4c95ec 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1923.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1923.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1923 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1925.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1925.java
index 91ea8c0c44..b5d938dbed 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1925.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1925.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1925 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1939.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1939.java
index 48d8ff458c..f65fbf9852 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1939.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1939.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1940.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1940.java
index 10eebe4cba..1a27e1ad28 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1940.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1940.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1953.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1953.java
index a832401cd0..9bf4ddee51 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1953.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1953.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1953 extends Application.LegacyApplication {
     public static final String cellStyle = "test-cell";
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1966.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1966.java
index d461ffe4e3..9440855bbe 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1966.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1966.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.AlignmentHandler;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1966 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1966_2.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1966_2.java
index 85b802d46c..c5442e6473 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1966_2.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1966_2.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.AlignmentHandler;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket1966_2 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1966_3.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1966_3.java
index cfc9825b58..63634259a3 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1966_3.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1966_3.java
@@ -6,7 +6,7 @@ import com.vaadin.terminal.UserError;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1969.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1969.java
index 2a29113829..b10ccea992 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1969.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1969.java
@@ -5,7 +5,7 @@ import com.vaadin.tests.TestForTablesInitialColumnWidthLogicRendering;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1970.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1970.java
index f9f098a05a..b07a997f8f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1970.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1970.java
@@ -7,7 +7,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1970 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1972.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1972.java
index fd77343259..6b406a2f89 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1972.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1972.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1972 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1973.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1973.java
index 24d11e6569..a3365bedcb 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1973.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1973.java
@@ -4,7 +4,7 @@ import com.vaadin.data.Item;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1973_2.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1973_2.java
index 68307f7f99..4392c0762a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1973_2.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1973_2.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Item;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1975.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1975.java
index e959098765..fda75a409e 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1975.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1975.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.CustomLayout;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1975 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1982.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1982.java
index fe0b636c56..a5953d22af 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1982.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1982.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket1982 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1983.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1983.java
index 4db82c3371..0d6a21faac 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1983.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1983.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1986.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1986.java
index 88ebad933f..fd6665b2fe 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1986.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1986.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.ListSelect;
 import com.vaadin.ui.NativeSelect;
 import com.vaadin.ui.OptionGroup;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.TwinColSelect;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1991.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1991.java
index 72866a3ee8..ed60c89c16 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1991.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1991.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket1991 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket1995.java b/tests/testbench/com/vaadin/tests/tickets/Ticket1995.java
index 2aaacef448..04ce9c712d 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket1995.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket1995.java
@@ -7,7 +7,7 @@ import com.vaadin.data.Item;
 import com.vaadin.data.util.filter.SimpleStringFilter;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket1995 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket20.java b/tests/testbench/com/vaadin/tests/tickets/Ticket20.java
index 061fc0cf16..ea610a3db8 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket20.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket20.java
@@ -8,7 +8,7 @@ import com.vaadin.data.validator.CompositeValidator.CombinationMode;
 import com.vaadin.data.validator.IntegerValidator;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket20 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2001.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2001.java
index 8c7a7ba659..8ff3d952c4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2001.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2001.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Property;
 import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2001 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2002.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2002.java
index 2c4a948cea..aeaf3bfb33 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2002.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2002.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.data.util.MethodProperty;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2002 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2007.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2007.java
index e0b8635f32..0342b87e68 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2007.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2007.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2007 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2009.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2009.java
index 68cf5ef6d4..e79ec8905e 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2009.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2009.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.Tree;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2011.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2011.java
index e8113b0cea..754036cd5b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2011.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2011.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 
 public class Ticket2011 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2014.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2014.java
index 8d9a5e67d4..bf909acb35 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2014.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2014.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2014 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2021.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2021.java
index f6d8ce5e01..c23f031a91 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2021.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2021.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.MarginHandler;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2022.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2022.java
index bc97f906b1..ea142b7e9e 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2022.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2022.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.CustomLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2022 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2023.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2023.java
index 427a55391b..c6b2c0f28a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2023.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2023.java
@@ -4,7 +4,7 @@ import com.vaadin.ui.AbstractComponent;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2023 extends com.vaadin.Application.LegacyApplication
         implements Button.ClickListener {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2024.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2024.java
index e7cabbca95..b1a8b64931 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2024.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2024.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2026.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2026.java
index 6d608ad529..0b72073bec 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2026.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2026.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2026 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2029.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2029.java
index 8acf4f1d16..ba8936adfa 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2029.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2029.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2037.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2037.java
index c979898299..da47f796a5 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2037.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2037.java
@@ -4,7 +4,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2037 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2038.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2038.java
index fa4cd76f47..c4714783a0 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2038.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2038.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Property;
 import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2038 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2040.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2040.java
index d98656b9ca..a7ca7b179f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2040.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2040.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.ui.Accordion;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout.MarginHandler;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2042.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2042.java
index d79f4a1bd6..49e999a601 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2042.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2042.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2042 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2043.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2043.java
index 7238462397..2efc66556d 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2043.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2043.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2043 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2048.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2048.java
index 0b5a537b4d..110db06800 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2048.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2048.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2048 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2051.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2051.java
index bd098443f2..1660f00d88 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2051.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2051.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.DateField;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2053.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2053.java
index fd64d6e35a..362a763c2f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2053.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2053.java
@@ -7,7 +7,7 @@ import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2053 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2060.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2060.java
index 88404b6ef1..c9e91930bf 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2060.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2060.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2060 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2061.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2061.java
index 1f633d7337..d86646b865 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2061.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2061.java
@@ -8,7 +8,7 @@ import com.vaadin.data.util.HierarchicalContainer;
 import com.vaadin.ui.Accordion;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.CustomComponent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2061b.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2061b.java
index e3cd09926e..420d2b7086 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2061b.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2061b.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.TabSheet.SelectedTabChangeEvent;
 import com.vaadin.ui.TabSheet.SelectedTabChangeListener;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2061c.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2061c.java
index 082b956fe0..b0897600d3 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2061c.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2061c.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.TabSheet.SelectedTabChangeEvent;
 import com.vaadin.ui.TabSheet.SelectedTabChangeListener;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2062.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2062.java
index 5d91240c6a..9b2fe05514 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2062.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2062.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.HorizontalSplitPanel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2083.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2083.java
index ea77b6f2e6..87bea00023 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2083.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2083.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2083 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2090.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2090.java
index 2042cf7cad..e48aae7d9f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2090.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2090.java
@@ -6,7 +6,7 @@ import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.terminal.UserError;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2090 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2095.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2095.java
index a27ae7ac4d..258fad05c9 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2095.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2095.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Embedded;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2095 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2098.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2098.java
index 5dc741eff6..a8a3e22d2b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2098.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2098.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 
 public class Ticket2098 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2099.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2099.java
index 0f0c00b05c..2bba0504a5 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2099.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2099.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2101.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2101.java
index 67c3c9f331..c29eaaf453 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2101.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2101.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2101 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2103.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2103.java
index 1fb89eebc4..9017f66158 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2103.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2103.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Item;
 import com.vaadin.data.util.HierarchicalContainer;
 import com.vaadin.ui.Accordion;
 import com.vaadin.ui.Component;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2104.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2104.java
index b8a6724a41..4da938351d 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2104.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2104.java
@@ -11,7 +11,7 @@ import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Tree;
 
@@ -68,16 +68,16 @@ public class Ticket2104 extends Application.LegacyApplication {
         main.addComponent(tree);
         tree.setImmediate(true);
         tree.setNullSelectionAllowed(false);
-        tree.addItem("Root 1");
+        tree.addItem("UI 1");
         tree.addItem("1. Child 1");
-        tree.setParent("1. Child 1", "Root 1");
+        tree.setParent("1. Child 1", "UI 1");
         tree.addItem("1. Child 2");
-        tree.setParent("1. Child 2", "Root 1");
-        tree.addItem("Root 2");
+        tree.setParent("1. Child 2", "UI 1");
+        tree.addItem("UI 2");
         tree.addItem("2. Child 1");
-        tree.setParent("2. Child 1", "Root 2");
+        tree.setParent("2. Child 1", "UI 2");
         tree.addItem("2. Child 2");
-        tree.setParent("2. Child 2", "Root 2");
+        tree.setParent("2. Child 2", "UI 2");
         tree.addContainerProperty("icon", ExternalResource.class,
                 new ExternalResource(
                         "http://www.itmill.com/res/images/itmill_logo.gif"));
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2106.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2106.java
index 6edc625b39..9d6e198f03 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2106.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2106.java
@@ -6,7 +6,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2106 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2107.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2107.java
index 09ba9fac0b..37d570546b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2107.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2107.java
@@ -6,7 +6,7 @@ import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.Validator;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Notification;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2107 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2117.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2117.java
index 8bbfe0cd07..d5b5041060 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2117.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2117.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2117 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2119.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2119.java
index b563ec90ef..621b744aa8 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2119.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2119.java
@@ -8,7 +8,7 @@ import com.vaadin.terminal.ExternalResource;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2125.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2125.java
index b12a865e80..bc1f886418 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2125.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2125.java
@@ -5,7 +5,7 @@ import com.vaadin.data.util.MethodProperty;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Table.CellStyleGenerator;
 import com.vaadin.ui.Table.ColumnGenerator;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2126.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2126.java
index c9e070bef4..d49c73ea5f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2126.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2126.java
@@ -5,7 +5,7 @@ import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2151.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2151.java
index c2fbe1b4f7..721bdf3c9f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2151.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2151.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2151 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2157.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2157.java
index 23c5b0bcd5..b8f75fc279 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2157.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2157.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2157 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2178.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2178.java
index 6de42003b4..e64db69ced 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2178.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2178.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2178 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2179.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2179.java
index 31e1a9a0d6..622488dc0f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2179.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2179.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.data.Property;
 import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.Validator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2179 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2180.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2180.java
index 7b993cdf24..fb9332d100 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2180.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2180.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 
 public class Ticket2180 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2181.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2181.java
index 44893eb531..ceba214dc5 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2181.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2181.java
@@ -12,7 +12,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.OptionGroup;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2186.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2186.java
index b7817d2ed7..50b8a1f113 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2186.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2186.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2204.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2204.java
index 4caba62df2..24c4d6e8b9 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2204.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2204.java
@@ -26,7 +26,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Panel;
 import com.vaadin.ui.RichTextArea;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.VerticalSplitPanel;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2208.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2208.java
index 3f0f35bb84..f622f093ee 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2208.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2208.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.data.Item;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Table.CellStyleGenerator;
 import com.vaadin.ui.Table.ColumnGenerator;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2209.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2209.java
index a387781ae3..ecad9a950a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2209.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2209.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2209 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL.java
index 226df8b5e7..6eec0a7704 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2209OL extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL2.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL2.java
index 921f3b190b..7f4082d0f8 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL2.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2209OL2.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.ComboBox;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2209OL2 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2215.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2215.java
index 5b98fe3af3..f7099d88f4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2215.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2215.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.themes.Reindeer;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2221.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2221.java
index 886aa376c3..e3f1516fb8 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2221.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2221.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.Component;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2222.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2222.java
index 51ac463a6e..14024fda8b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2222.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2222.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2222 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2227OrderedlayoutInTable.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2227OrderedlayoutInTable.java
index e436bab283..f9c670708e 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2227OrderedlayoutInTable.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2227OrderedlayoutInTable.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Item;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2231.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2231.java
index ab0cc82628..21994bff60 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2231.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2231.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2231 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2232.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2232.java
index ae8a4b0f51..d71134696f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2232.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2232.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.SpacingHandler;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2232 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2234.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2234.java
index 24a6d2ea77..ccda59bb6a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2234.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2234.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.data.Item;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2234 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2235.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2235.java
index 10978cad30..fba82956e0 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2235.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2235.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 
 public class Ticket2235 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2240.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2240.java
index c777d0772f..bb16a40cd7 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2240.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2240.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2240 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2242.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2242.java
index 4b44ed1a87..77fbfefe1a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2242.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2242.java
@@ -10,7 +10,7 @@ import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket2242 extends Application.LegacyApplication implements
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2244.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2244.java
index a360760039..495e3de26a 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2244.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2244.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Form;
 import com.vaadin.ui.FormLayout;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2244 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2245.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2245.java
index 1586a1966b..ab474fe6f7 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2245.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2245.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.HorizontalSplitPanel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2245 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2267.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2267.java
index b5d6772e7f..41843a9742 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2267.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2267.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2267 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2271.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2271.java
index fb281f22b2..91fb51034b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2271.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2271.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2271 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2282.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2282.java
index c72b4e15ff..976b06fe32 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2282.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2282.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.FormLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2282 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2283.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2283.java
index 8375ca648f..5576e48fba 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2283.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2283.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2283 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2287.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2287.java
index 716c8af0db..59fc174215 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2287.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2287.java
@@ -4,7 +4,7 @@ import java.net.URL;
 
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2287 extends Ticket2292 {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2289.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2289.java
index 0ad023450c..c715fafd74 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2289.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2289.java
@@ -7,7 +7,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.CustomComponent;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2292.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2292.java
index 35e9b8f2c5..e732ea09e0 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2292.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2292.java
@@ -19,7 +19,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Link;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2292 extends com.vaadin.Application.LegacyApplication
         implements RequestHandler {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2294.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2294.java
index 30392a245d..053534191b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2294.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2294.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.AbstractOrderedLayout;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2294 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2296.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2296.java
index 31ff4a8353..d059b96953 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2296.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2296.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CustomLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2296 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2297.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2297.java
index 1d1f0f1d74..073126ae07 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2297.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2297.java
@@ -6,7 +6,7 @@ import java.net.URL;
 
 import com.vaadin.ui.CustomLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2297 extends Ticket2292 {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2303.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2303.java
index bc11a7ea49..fb1c5440ad 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2303.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2303.java
@@ -6,7 +6,7 @@ import java.io.IOException;
 import com.vaadin.Application;
 import com.vaadin.ui.CustomLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2303 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2304.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2304.java
index b767b3661f..ccef7a9a92 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2304.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2304.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.themes.Reindeer;
 
 public class Ticket2304 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2310.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2310.java
index 1cad5bde4f..24fbd7a968 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2310.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2310.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.themes.Reindeer;
 
 public class Ticket2310 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2319.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2319.java
index ec6d3be801..438d2ff286 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2319.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2319.java
@@ -6,7 +6,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.VerticalSplitPanel;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2323.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2323.java
index 123c154e61..d7b8db86bd 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2323.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2323.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.RichTextArea;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class Ticket2323 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2325.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2325.java
index c253eb70e6..ecc897d4ba 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2325.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2325.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2329.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2329.java
index f583a4af4b..2ce42376f9 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2329.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2329.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Table.ColumnGenerator;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2337.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2337.java
index f0cae1a59f..3ac381b2d1 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2337.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2337.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2337 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2339.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2339.java
index 81dc3af40f..ce884bada7 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2339.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2339.java
@@ -6,7 +6,7 @@ import java.io.IOException;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CustomLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2339 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2341.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2341.java
index a35c27962f..aa2eefcb7e 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2341.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2341.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.data.Item;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket2341 extends com.vaadin.Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2344.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2344.java
index d7b1eacd2c..befad78a73 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2344.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2344.java
@@ -4,7 +4,7 @@ import java.util.Random;
 
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.themes.BaseTheme;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2347.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2347.java
index 5528dfebd6..582b9a95ee 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2347.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2347.java
@@ -5,7 +5,7 @@ import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.CustomLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2347 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2364.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2364.java
index 8039609339..f7d6f61110 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2364.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2364.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.Form;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Select;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2365.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2365.java
index 252406cc2d..b191901356 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2365.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2365.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 
 public class Ticket2365 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2398.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2398.java
index 054cc5f0cc..f5b68800e6 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2398.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2398.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.data.util.IndexedContainer;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket2398 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2404.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2404.java
index 0da70301d1..30f9d04d3b 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2404.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2404.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2404 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2405.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2405.java
index c5ef9ec0b0..a76f3a711f 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2405.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2405.java
@@ -9,7 +9,7 @@ import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.HorizontalSplitPanel;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout.MarginHandler;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2406.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2406.java
index 0036bdc7b2..dd42727591 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2406.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2406.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2407.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2407.java
index 51ab08188e..df2ae47acd 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2407.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2407.java
@@ -1,7 +1,7 @@
 package com.vaadin.tests.tickets;
 
 import com.vaadin.ui.Form;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2411.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2411.java
index 6801bfa88d..2c59493e0c 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2411.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2411.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.GridLayout;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2411 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2415.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2415.java
index 509f4cf437..f52c1b1ccc 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2415.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2415.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.data.Property;
 import com.vaadin.data.Property.ValueChangeEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket2415 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2420.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2420.java
index adca729c9e..5d15107053 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2420.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2420.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.ProgressIndicator;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2420 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2425.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2425.java
index 8c9be295a0..140fa6f2b6 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2425.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2425.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TabSheet;
 
 public class Ticket2425 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2426.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2426.java
index 40862e3ccd..fee74b73f7 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2426.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2426.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2426 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2431.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2431.java
index f6e6c1e7b5..cb9eb449bf 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2431.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2431.java
@@ -7,7 +7,7 @@ import com.vaadin.event.ShortcutAction;
 import com.vaadin.event.ShortcutAction.KeyCode;
 import com.vaadin.event.ShortcutAction.ModifierKey;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2431 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2432.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2432.java
index 2716038873..f21e6a6752 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2432.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2432.java
@@ -8,7 +8,7 @@ import com.vaadin.ui.Label;
 import com.vaadin.ui.Layout;
 import com.vaadin.ui.Layout.AlignmentHandler;
 import com.vaadin.ui.Layout.SpacingHandler;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2432 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2434.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2434.java
index 79e383393f..6401a98763 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2434.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2434.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.tests.TestForTablesInitialColumnWidthLogicRendering;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 
 public class Ticket2434 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2436.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2436.java
index f48cf7a79a..5367c24b01 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2436.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2436.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.PopupView;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket2436 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2526.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2526.java
index 97d096405e..998fe75f8c 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2526.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2526.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Window;
 
 public class Ticket2526 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2742.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2742.java
index 1003ea1c66..733f6ac6f6 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2742.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2742.java
@@ -6,7 +6,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.NativeSelect;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 /**
  * @author Risto Yrjänä / Vaadin Ltd.
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2901.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2901.java
index ab808501f7..c4352abefe 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2901.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2901.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.VerticalSplitPanel;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket2998.java b/tests/testbench/com/vaadin/tests/tickets/Ticket2998.java
index 2d2970d36e..0cd43533fd 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket2998.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket2998.java
@@ -23,7 +23,7 @@ import com.vaadin.ui.Layout.MarginHandler;
 import com.vaadin.ui.ListSelect;
 import com.vaadin.ui.Notification;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket3146.java b/tests/testbench/com/vaadin/tests/tickets/Ticket3146.java
index b6e01d912f..7973ffa496 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket3146.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket3146.java
@@ -6,7 +6,7 @@ import java.util.HashSet;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket34.java b/tests/testbench/com/vaadin/tests/tickets/Ticket34.java
index e3b90c94b0..15d55ba643 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket34.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket34.java
@@ -11,7 +11,7 @@ import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket5053.java b/tests/testbench/com/vaadin/tests/tickets/Ticket5053.java
index 35f244e07f..6f8ade15c4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket5053.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket5053.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.tickets;
 
 import com.vaadin.Application;
 import com.vaadin.ui.ComboBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 /**
  * #5053: Last ComboBox item may not be shown if null selection enabled
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket5157.java b/tests/testbench/com/vaadin/tests/tickets/Ticket5157.java
index 5902382d01..3102a0a56c 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket5157.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket5157.java
@@ -5,7 +5,7 @@ import com.vaadin.event.ShortcutAction.KeyCode;
 import com.vaadin.event.ShortcutListener;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 /**
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket5952.java b/tests/testbench/com/vaadin/tests/tickets/Ticket5952.java
index b7caa08b82..92cd0290d6 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket5952.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket5952.java
@@ -3,7 +3,7 @@ package com.vaadin.tests.tickets;
 import com.vaadin.Application;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket5952 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket6002.java b/tests/testbench/com/vaadin/tests/tickets/Ticket6002.java
index fef7061516..887652aee7 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket6002.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket6002.java
@@ -5,7 +5,7 @@ import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.tests.components.TestBase;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket677.java b/tests/testbench/com/vaadin/tests/tickets/Ticket677.java
index ca55b8648c..1c66f67ca1 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket677.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket677.java
@@ -17,7 +17,7 @@ import com.vaadin.ui.GridLayout;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket695.java b/tests/testbench/com/vaadin/tests/tickets/Ticket695.java
index c62cee038c..e539f999b3 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket695.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket695.java
@@ -7,7 +7,7 @@ import java.io.ObjectOutputStream;
 import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 @SuppressWarnings("serial")
 public class Ticket695 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket736.java b/tests/testbench/com/vaadin/tests/tickets/Ticket736.java
index d871c8adc4..1176e87bb4 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket736.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket736.java
@@ -15,7 +15,7 @@ import com.vaadin.ui.CheckBox;
 import com.vaadin.ui.Form;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 
 public class Ticket736 extends Application.LegacyApplication {
 
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket8291.java b/tests/testbench/com/vaadin/tests/tickets/Ticket8291.java
index 2f094f0bf8..24a98d42e3 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket8291.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket8291.java
@@ -11,14 +11,14 @@ import com.vaadin.terminal.WrappedRequest;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.HorizontalLayout;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 import com.vaadin.ui.Table;
 
 /**
  * Test for #8291 and #7666: NegativeArraySizeException when Table scrolled to
  * the end and its size reduced.
  */
-public class Ticket8291 extends Root {
+public class Ticket8291 extends UI {
 
     @Override
     public void init(WrappedRequest request) {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket846.java b/tests/testbench/com/vaadin/tests/tickets/Ticket846.java
index 413d823d2d..407663c6c6 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket846.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket846.java
@@ -5,7 +5,7 @@ import com.vaadin.data.util.MethodProperty;
 import com.vaadin.data.validator.IntegerValidator;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.CheckBox;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 
 public class Ticket846 extends Application.LegacyApplication {
diff --git a/tests/testbench/com/vaadin/tests/tickets/Ticket932.java b/tests/testbench/com/vaadin/tests/tickets/Ticket932.java
index f72ff8beec..c12e2fcad3 100644
--- a/tests/testbench/com/vaadin/tests/tickets/Ticket932.java
+++ b/tests/testbench/com/vaadin/tests/tickets/Ticket932.java
@@ -4,7 +4,7 @@ import com.vaadin.Application;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Label;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextArea;
 import com.vaadin.ui.TextField;
 
diff --git a/tests/testbench/com/vaadin/tests/util/SampleDirectory.java b/tests/testbench/com/vaadin/tests/util/SampleDirectory.java
index 8f3f85a075..788415d0fd 100644
--- a/tests/testbench/com/vaadin/tests/util/SampleDirectory.java
+++ b/tests/testbench/com/vaadin/tests/util/SampleDirectory.java
@@ -23,7 +23,7 @@ import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.terminal.SystemError;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Panel;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 /**
  * Provides sample directory based on application directory. If this fails then
@@ -41,7 +41,7 @@ public class SampleDirectory {
      * @param application
      * @return file pointing to sample directory
      */
-    public static File getDirectory(Application application, Root root) {
+    public static File getDirectory(Application application, UI uI) {
         String errorMessage = "Access to application "
                 + "context base directory failed, "
                 + "possible security constraint with Application "
@@ -79,9 +79,9 @@ public class SampleDirectory {
                 "Cannot provide sample directory"));
         errorPanel.addComponent(new Label(errorMessage, ContentMode.XHTML));
         // Remove all components from applications main window
-        root.getContent().removeAllComponents();
+        uI.getContent().removeAllComponents();
         // Add error panel
-        root.getContent().addComponent(errorPanel);
+        uI.getContent().addComponent(errorPanel);
         return null;
     }
 }
diff --git a/tests/testbench/com/vaadin/tests/util/TestUtils.java b/tests/testbench/com/vaadin/tests/util/TestUtils.java
index a9e1518c54..62f2cc0be3 100644
--- a/tests/testbench/com/vaadin/tests/util/TestUtils.java
+++ b/tests/testbench/com/vaadin/tests/util/TestUtils.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.util;
 
 import com.vaadin.data.Item;
 import com.vaadin.data.util.IndexedContainer;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class TestUtils {
 
@@ -102,7 +102,7 @@ public class TestUtils {
      * 
      * @param cssString
      */
-    public static void injectCSS(Root w, String cssString) {
+    public static void injectCSS(UI w, String cssString) {
         String script = "if ('\\v'=='v') /* ie only */ {\n"
                 + "        document.createStyleSheet().cssText = '"
                 + cssString
diff --git a/tests/testbench/com/vaadin/tests/vaadincontext/BootstrapModifyRoot.java b/tests/testbench/com/vaadin/tests/vaadincontext/BootstrapModifyRoot.java
index 6c17c3005e..eefd37522b 100644
--- a/tests/testbench/com/vaadin/tests/vaadincontext/BootstrapModifyRoot.java
+++ b/tests/testbench/com/vaadin/tests/vaadincontext/BootstrapModifyRoot.java
@@ -29,7 +29,7 @@ public class BootstrapModifyRoot extends AbstractTestRoot {
 
     @Override
     protected String getTestDescription() {
-        return "There should be two additional divs in the HTML of the bootstrap page for this Root";
+        return "There should be two additional divs in the HTML of the bootstrap page for this UI";
     }
 
     @Override
diff --git a/tests/testbench/com/vaadin/tests/vaadincontext/TestAddonContextListener.java b/tests/testbench/com/vaadin/tests/vaadincontext/TestAddonContextListener.java
index da058892b4..a525d3139b 100644
--- a/tests/testbench/com/vaadin/tests/vaadincontext/TestAddonContextListener.java
+++ b/tests/testbench/com/vaadin/tests/vaadincontext/TestAddonContextListener.java
@@ -25,7 +25,7 @@ import com.vaadin.terminal.gwt.server.BootstrapPageResponse;
 import com.vaadin.terminal.gwt.server.BootstrapResponse;
 import com.vaadin.terminal.gwt.server.AddonContextEvent;
 import com.vaadin.terminal.gwt.server.AddonContextListener;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
 public class TestAddonContextListener implements AddonContextListener {
     @Override
@@ -42,9 +42,9 @@ public class TestAddonContextListener implements AddonContextListener {
             }
 
             private boolean shouldModify(BootstrapResponse response) {
-                Root root = response.getRoot();
-                boolean shouldModify = root != null
-                        && root.getClass() == BootstrapModifyRoot.class;
+                UI uI = response.getRoot();
+                boolean shouldModify = uI != null
+                        && uI.getClass() == BootstrapModifyRoot.class;
                 return shouldModify;
             }
 
diff --git a/tests/testbench/com/vaadin/tests/validation/RequiredErrorMessage.java b/tests/testbench/com/vaadin/tests/validation/RequiredErrorMessage.java
index 7b03bc7ec2..b63527ad60 100644
--- a/tests/testbench/com/vaadin/tests/validation/RequiredErrorMessage.java
+++ b/tests/testbench/com/vaadin/tests/validation/RequiredErrorMessage.java
@@ -2,7 +2,7 @@ package com.vaadin.tests.validation;
 
 import com.vaadin.tests.components.AbstractTestCase;
 import com.vaadin.ui.Form;
-import com.vaadin.ui.Root.LegacyWindow;
+import com.vaadin.ui.UI.LegacyWindow;
 import com.vaadin.ui.TextField;
 import com.vaadin.ui.VerticalLayout;
author	Artur Signell <artur@vaadin.com>	2012-08-24 08:44:20 +0300
committer	Artur Signell <artur@vaadin.com>	2012-08-24 13:23:16 +0300
commit	da176c32c4d92676424021712a7f6d7ee8cedf76 (patch)
tree	36e5c97e5c556dd882498516415663384db18185 /tests
parent	86bbe59bb855b6cf57486322bca92e2ace88e8a2 (diff)
download	vaadin-framework-da176c32c4d92676424021712a7f6d7ee8cedf76.tar.gz vaadin-framework-da176c32c4d92676424021712a7f6d7ee8cedf76.zip