Bug 262606 [CommonNavigator] Up button after "go into" has bad tooltip text
I20090127-0100 1) Select a Java project 2) right-click, select "Go Into" 3) Hover over the Up button, the tooltip text is impressive
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/navigator/resources/ProjectExplorer.java
* 
	 * @noreference
	 */
	public void updateTitle() {
		super.updateTitle();
		Object input = getCommonViewer().getInput();
		if (input == null || input instanceof IAggregateWorkingSet) {
			setContentDescription(""); 
			return;
		}
		if (!(input instanceof IResource)) {
			if (input instanceof IAdaptable) {
				IWorkbenchAdapter wbadapter = (IWorkbenchAdapter) ((IAdaptable) input)
						.getAdapter(IWorkbenchAdapter.class);
				if (wbadapter != null) {
					setContentDescription(wbadapter.getLabel(input));
					return;
				}
			}
			setContentDescription(input.toString());
			return;
		}
		IResource res = (IResource) input;
		setContentDescription(res.getName());
	}
	/**
	 * Returns the tool tip text for the given element.
	 * 
	 * @param element
	 *            the element