Bug 71283 Type Hierarchy View should show active working set in content description [type hierarchy]
Eclipse 3.0 The type hierarchy should show the active working set in the content description. Instead of WorkbenchPart#setTitle(), it should use setContentDescription() to display the focus type and active working set.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
private void updateInput(IJavaElement inputElement) {
		IJavaElement prevInput= fInputElement;
		
		synchronized (this) {
			if (fRestoreStateJob != null) {
				fRestoreStateJob.cancel();
				try {
					fRestoreStateJob.join();
				} catch (InterruptedException e) {
					
				} finally {
					fRestoreStateJob= null;
				}
			}
		}
		
		
		 
		
		
		processOutstandingEvents();
		if (inputElement == null) {	
			clearInput();
		} else {
			fInputElement= inputElement;
			try {
				fHierarchyLifeCycle.ensureRefreshedTypeHierarchy(inputElement, JavaPlugin.getActiveWorkbenchWindow());
				
			} catch (InvocationTargetException e) {
				ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.getString("TypeHierarchyViewPart.exception.title"), TypeHierarchyMessages.getString("TypeHierarchyViewPart.exception.message"));