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.resources/src/org/eclipse/ui/internal/navigator/resources/actions/WorkingSetActionProvider.java
contributedToViewMenu = true;
			}
		}
	}
	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.ui.actions.ActionGroup#dispose()
	 */
	public void dispose() {
		super.dispose();
		workingSetActionGroup.dispose();
		if (workingSetRootModeActionGroup != null) {
			workingSetRootModeActionGroup.dispose();
		}
		managerChangeListener.ignore();
		extensionStateModel.removePropertyChangeListener(topLevelModeListener);
		contentService.getActivationService().removeExtensionActivationListener(activationListener);
	}
	/**
	 * This is used only for the tests.
	 * 
	 * @return a PropertyChangeListener
	 */
	public IPropertyChangeListener getFilterChangeListener() {
		return filterChangeListener;
	}
	
}