Bug 191147 [CommonNavigator] Problem with selection causes view to fail to load
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/CommonNavigatorManager.java
private static final long DELAY = 200;
	private final CommonNavigator commonNavigator;
	private final INavigatorContentService contentService;
	private NavigatorActionService actionService;
	private final IDescriptionProvider commonDescriptionProvider;
	private final IStatusLineManager statusLineManager;
	private final ILabelProvider labelProvider;
	private UpdateActionBarsJob updateActionBars;
	
	private ISelectionChangedListener statusBarListener = new ISelectionChangedListener() {
		public void selectionChanged(SelectionChangedEvent anEvent) { 
			updateStatusBar(anEvent.getSelection());
		}
		
	};
	
	private class UpdateActionBarsJob extends UIJob {