Bug 189490 [CommonNavigator] Go To->Resource won't enable
I0524 1. Open the Project Explorer in the Resource perspective 2. Create a vanilla project P 3. Create a folder F 4. Create a file resource R Open the Navigate->Go To file. "Resource..." will remain disabled.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/CommonNavigatorActionGroup.java
/**
	 * Create a action group for Collapse All, Link with editor, and Select
	 * Filters.
	 * 
	 * @param aNavigator
	 *            The IViewPart for this action group
	 * @param aViewer
	 *            The Viewer for this action group
	 * @param linkHelperService the link service helper
	 */
	public CommonNavigatorActionGroup(CommonNavigator aNavigator,
			CommonViewer aViewer, LinkHelperService linkHelperService) {
		super();
		commonNavigator = aNavigator;
		commonViewer = aViewer;
		this.linkHelperService = linkHelperService;
		makeActions();
	}
	/**
	 * Returns the image descriptor with the given relative path.
	 */
	protected final ImageDescriptor getImageDescriptor(String relativePath) {
		return NavigatorPlugin.getImageDescriptor("icons/full/" + relativePath); 
	}
	/**
	 * 
	 */
	private void makeActions() {
		IHandlerService service = (IHandlerService) commonNavigator.getSite()
				.getService(IHandlerService.class);