Rename nav menu items.

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

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/ShowSelectionLabelAction.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/ShowSelectionLabelAction.java	(revision 0)
+++ editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/ShowSelectionLabelAction.java	(revision 0)
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2013, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.dart.tools.ui.actions;
+
+import com.google.dart.tools.ui.internal.actions.ActionUtil;
+import com.google.dart.tools.ui.internal.text.editor.DartElementSelection;
+
+import org.eclipse.jface.action.Action;
+
+public class ShowSelectionLabelAction extends Action {
+
+  public void update(DartElementSelection selection) {
+    setText(ActionUtil.constructSelectionLabel(selection));
+  }
+}