Bug 138824 [CommonNavigator] Remove obsolete API
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/NavigatorSaveablesService.java
public void handleLifecycleEvent(SaveablesLifecycleEvent event) {
			Saveable[] saveables = event.getSaveables();
			switch (event.getEventType()) {
			case SaveablesLifecycleEvent.POST_OPEN:
				recomputeSaveablesAndNotify(false, null);
				break;
			case SaveablesLifecycleEvent.POST_CLOSE:
				recomputeSaveablesAndNotify(false, null);
				break;
			case SaveablesLifecycleEvent.DIRTY_CHANGED:
				Saveable[] shownSaveables = getShownSaveables(saveables);
				if (shownSaveables.length > 0) {