Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/notifications/Notification.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 27 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class Dictionary;
 class ExecutionContext;
 class NotificationClient;
 class NotificationPermissionCallback;
 
-class Notification : public RefCounted<Notification>, public NotificationBase {
+class Notification FINAL : public RefCounted<Notification>, public NotificationBase {
     REFCOUNTED_EVENT_TARGET(Notification);
 
 public:
     static PassRefPtr<Notification> create(ExecutionContext*, const String& title, const Dictionary& options);
 
     virtual ~Notification();
 
     static const String& permission(ExecutionContext*);
     static void requestPermission(ExecutionContext*, PassOwnPtr<NotificationPermissionCallback> = nullptr);
 
     // EventTarget interface
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
     // ActiveDOMObject interface
     virtual void stop() OVERRIDE;
     virtual bool hasPendingActivity() const OVERRIDE;
 
 private:
     Notification(ExecutionContext*, const String& title, NotificationClient*);
 
     void showSoon();
 
     OwnPtr<AsyncMethodRunner<Notification> > m_asyncRunner;
 };
 
 } // namespace WebCore
 
 #endif // Notifications_h