Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/notifications/DOMWindowNotifications.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/Supplementable.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class DOMWindow;
 class NotificationCenter;
 
-class DOMWindowNotifications : public Supplement<DOMWindow>, public DOMWindowProperty {
+class DOMWindowNotifications FINAL : public Supplement<DOMWindow>, public DOMWindowProperty {
 public:
     virtual ~DOMWindowNotifications();
 
     static NotificationCenter* webkitNotifications(DOMWindow*);
     static DOMWindowNotifications* from(DOMWindow*);
 
     virtual void willDestroyGlobalObjectInFrame() OVERRIDE;
     virtual void willDetachGlobalObjectFromFrame() OVERRIDE;
 
 private:
     explicit DOMWindowNotifications(DOMWindow*);
 
     NotificationCenter* webkitNotifications();
     static const char* supplementName();
 
     DOMWindow* m_window;
     RefPtr<NotificationCenter> m_notificationCenter;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(LEGACY_NOTIFICATIONS)
 
 #endif // DOMWindowNotifications_h