Integrate 'Rename' refactoring into Editor.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java
index 1866960af82e04ecd55c203eb421b36a2ea895c7..01e9d594ecc0c49ec4d324d51f83ecdd9a0ff13a 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/AbstractRefactoringAction_NEW.java
@@ -17,6 +17,7 @@ import com.google.dart.server.GetAvailableRefactoringsConsumer;
 import com.google.dart.tools.core.DartCore;
 import com.google.dart.tools.ui.internal.actions.SelectionConverter;
 import com.google.dart.tools.ui.internal.text.editor.DartEditor;
+import com.google.dart.tools.ui.internal.util.ExceptionHandler;
 
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 
@@ -31,6 +32,7 @@ public abstract class AbstractRefactoringAction_NEW extends AbstractDartSelectio
   public AbstractRefactoringAction_NEW(DartEditor editor, String kind) {
     super(editor);
     this.kind = kind;
+    init();
     setEnabled(SelectionConverter.canOperateOn(editor));
   }
 
@@ -62,4 +64,11 @@ public abstract class AbstractRefactoringAction_NEW extends AbstractDartSelectio
     }
     return true;
   }
+
+  protected void showError(String title, Throwable e) {
+    ExceptionHandler.handle(
+        e,
+        title,
+        "Unexpected exception occurred. See the error log for more details.");
+  }
 }