Renamed VButtonState to ButtonState as it is a server side class that

happens to be in a client side package.

src/com/vaadin/terminal/gwt/client/ui/VButtonState.java → src/com/vaadin/terminal/gwt/client/ui/ButtonState.java

@@ -14,7 +14,7 @@ import com.vaadin.ui.Button;
  * 
  * @since 7.0
  */
-public class VButtonState extends ComponentState {
+public class ButtonState extends ComponentState {
     private boolean disableOnClick = false;
     private int clickShortcutKeyCode = 0;
 

src/com/vaadin/terminal/gwt/client/ui/VButtonPaintable.java

@@ -96,12 +96,12 @@ public class VButtonPaintable extends VAbstractPaintableWidget {
     }
 
     @Override
-    public VButtonState getState() {
-        return (VButtonState) super.getState();
+    public ButtonState getState() {
+        return (ButtonState) super.getState();
     }
 
     @Override
     protected ComponentState createState() {
-        return GWT.create(VButtonState.class);
+        return GWT.create(ButtonState.class);
     }
 }

src/com/vaadin/terminal/gwt/client/ui/VNativeButtonPaintable.java

@@ -92,12 +92,12 @@ public class VNativeButtonPaintable extends VAbstractPaintableWidget {
     }
 
     @Override
-    public VButtonState getState() {
-        return (VButtonState) super.getState();
+    public ButtonState getState() {
+        return (ButtonState) super.getState();
     }
 
     @Override
     protected ComponentState createState() {
-        return GWT.create(VButtonState.class);
+        return GWT.create(ButtonState.class);
     }
 }

src/com/vaadin/ui/Button.java

@@ -22,7 +22,7 @@ import com.vaadin.terminal.gwt.client.ComponentState;
 import com.vaadin.terminal.gwt.client.MouseEventDetails;
 import com.vaadin.terminal.gwt.client.ui.VButton.ButtonClientToServerRpc;
 import com.vaadin.terminal.gwt.client.ui.VButtonPaintable;
-import com.vaadin.terminal.gwt.client.ui.VButtonState;
+import com.vaadin.terminal.gwt.client.ui.ButtonState;
 import com.vaadin.terminal.gwt.server.RpcTarget;
 import com.vaadin.tools.ReflectTools;
 import com.vaadin.ui.ClientWidget.LoadStyle;
@@ -492,11 +492,11 @@ public class Button extends AbstractComponent implements
 
     @Override
     protected ComponentState createState() {
-        return new VButtonState();
+        return new ButtonState();
     }
 
     @Override
-    public VButtonState getState() {
-        return (VButtonState) super.getState();
+    public ButtonState getState() {
+        return (ButtonState) super.getState();
     }
 }