Restore unintended API changes (#17645)

This reverts commit 0ae745206a and
restores a removed public method.

Change-Id: I8eff9668d0a5c49fb63ecea7b0214e478b0aeee8

client/src/com/vaadin/client/ui/VFilterSelect.java

@@ -730,6 +730,16 @@ public class VFilterSelect extends Composite implements Field, KeyDownHandler,
             }
         }
 
+        /**
+         * This method became obsolete in fix for
+         * http://dev.vaadin.com/ticket/16981
+         * 
+         * @deprecated as of 7.4.4
+         */
+        @Deprecated
+        public void setKeyboardSelectedItem(MenuItem menuItem) {
+            // NO-OP
+        }
     }
 
     /**

server/src/com/vaadin/ui/Tree.java

@@ -1301,6 +1301,19 @@ public class Tree extends AbstractSelect implements Container.Hierarchical,
         }
     }
 
+    /**
+     * Tree does not support lazy options loading mode. Setting this true will
+     * throw UnsupportedOperationException.
+     * 
+     * @see com.vaadin.ui.Select#setLazyLoading(boolean)
+     */
+    public void setLazyLoading(boolean useLazyLoading) {
+        if (useLazyLoading) {
+            throw new UnsupportedOperationException(
+                    "Lazy options loading is not supported by Tree.");
+        }
+    }
+
     private ItemStyleGenerator itemStyleGenerator;
 
     private DropHandler dropHandler;