Merge libv1.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/PartListenerAdapter.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/PartListenerAdapter.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/Messages.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/PartListenerAdapter.java
similarity index 56%
copy from editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/Messages.java
copy to editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/PartListenerAdapter.java
index 7907dcb134faf4f51f9631585cddac7eec4881d3..670b42002f5d2468f48efaf52f6e73f98c110cda 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/Messages.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/PartListenerAdapter.java
@@ -11,23 +11,33 @@
  * or implied. See the License for the specific language governing permissions and limitations under
  * the License.
  */
-
 package com.google.dart.tools.ui.internal.util;
 
-import org.eclipse.osgi.util.NLS;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
 
 /**
- * 
+ * Empty implementation of {@link IPartListener}.
  */
-public class Messages extends NLS {
-  private static final String BUNDLE_NAME = "com.google.dart.tools.ui.internal.util.messages"; //$NON-NLS-1$
-  public static String CleanLibrariesJob_Title;
+public class PartListenerAdapter implements IPartListener {
+
+  @Override
+  public void partActivated(IWorkbenchPart part) {
+  }
+
+  @Override
+  public void partBroughtToTop(IWorkbenchPart part) {
+  }
+
+  @Override
+  public void partClosed(IWorkbenchPart part) {
+  }
 
-  static {
-    // initialize resource bundle
-    NLS.initializeMessages(BUNDLE_NAME, Messages.class);
+  @Override
+  public void partDeactivated(IWorkbenchPart part) {
   }
 
-  private Messages() {
+  @Override
+  public void partOpened(IWorkbenchPart part) {
   }
 }