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/NavigatorContentService.java
navigatorFilterService = new NavigatorFilterService(this);
		}
		return navigatorFilterService;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.navigator.INavigatorContentService#getFilterService()
	 */
	public INavigatorSorterService getSorterService() {
		if (navigatorSorterService == null) {
			navigatorSorterService = new NavigatorSorterService(this);
		}
		return navigatorSorterService;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.navigator.INavigatorContentService#getFilterService()
	 */
	public INavigatorPipelineService getPipelineService() {
		if (navigatorPipelineService == null) {
			navigatorPipelineService = new NavigatorPipelineService(this);
		}
		return navigatorPipelineService;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.navigator.INavigatorContentService#getDnDService()