Bug 52159 [ActivityMgmt] Activity entry in window menu needs to be defined in object contribution
We should move the activity configuration menu entry to an object contribution in the IDE plug-in so that other applications do not have to have it or hack the UI.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
public void execute(Event event) {
			}
			
			public boolean isEnabled() {
				return false;
			}
		};
		
		IHandler handlerB = new IHandler() {
			public void execute() {
			}
			
			public void execute(Event event) {
			}
			
			public boolean isEnabled() {
				return false;
			}
		};		
		
		final IMutableCommandHandlerService commandHandlerServiceA = CommandHandlerServiceFactory.getMutableCommandHandlerService();
		commandHandlerServiceA.setHandlersByCommandId(new HashMap(Collections.singletonMap("command", handlerA)));
		final IMutableCommandHandlerService commandHandlerServiceB = CommandHandlerServiceFactory.getMutableCommandHandlerService();
		commandHandlerServiceB.setHandlersByCommandId(new HashMap(Collections.singletonMap("command", handlerB)));				
				
		menu.add(new Separator());
		
		menu.add(new Action("Add handler A to the workbench") {
			public void run() {