Bug 220559 Regression in some open editor performance tests
Verifying build I20080226-1155, it looks like some open editors tests are seriously red: - OpenJavaEditorTest#testOpenEditor3(): between -16.1% and -36% - OpenJavaEditorTest#testOpenEditor4(): between -18.1% and -39.2%
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/navigator/CommonNavigator.java
* Service (described below).
 * </p>
 * </li>
 * <li>
 * <p>
 * {@link org.eclipse.ui.navigator.NavigatorActionService}: Manages instances
 * of {@link org.eclipse.ui.navigator.CommonActionProvider}s provided by
 * individual extensions and content extensions.
 * </p>
 * </li>
 * <li>
 * <p>
 * {@link org.eclipse.ui.navigator.INavigatorContentService}: Manages instances
 * of Navigator Content Extensions. Instances are created as needed, and
 * disposed of upon the disposal of the Navigator Content Service.
 * </p>
 * </li>
 * </ul>
 * <p>
 * Clients are not expected to subclass CommonNavigator. Clients that wish to
 * define their own custom extensible navigator view need to specify an instance
 * of the <b>org.eclipse.ui.views</b> extension point:
 * 
 * <pre>
 *   
 *          &lt;extension
 *          		point=&quot;org.eclipse.ui.views&quot;&gt;
 *          	&lt;view
 *          		name=&quot;My Custom View&quot;
 *          		icon=&quot;relative/path/to/icon.gif&quot;