Update page & frame classes to use OVERRIDE / FINAL when needed

Source/core/frame/DOMWindow.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 71 matching lines @@
 
     typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray;
 
 enum PageshowEventPersistence {
     PageshowEventNotPersisted = 0,
     PageshowEventPersisted = 1
 };
 
     enum SetLocationLocking { LockHistoryBasedOnGestureState, LockHistoryAndBackForwardList };
 
-    class DOMWindow : public RefCounted<DOMWindow>, public ScriptWrappable, public EventTargetWithInlineData, public FrameDestructionObserver, public Supplementable<DOMWindow>, public LifecycleContext<DOMWindow> {
+    class DOMWindow FINAL : public RefCounted<DOMWindow>, public ScriptWrappable, public EventTargetWithInlineData, public FrameDestructionObserver, public Supplementable<DOMWindow>, public LifecycleContext<DOMWindow> {
         REFCOUNTED_EVENT_TARGET(DOMWindow);
     public:
         static PassRefPtr<Document> createDocument(const String& mimeType, const DocumentInit&, bool forceXHTML);
         static PassRefPtr<DOMWindow> create(Frame* frame) { return adoptRef(new DOMWindow(frame)); }
         virtual ~DOMWindow();
 
         PassRefPtr<Document> installNewDocument(const String& mimeType, const DocumentInit&, bool forceXHTML = false);
 
         virtual const AtomicString& interfaceName() const OVERRIDE;
         virtual ExecutionContext* executionContext() const OVERRIDE;
 
-        virtual DOMWindow* toDOMWindow();
+        virtual DOMWindow* toDOMWindow() OVERRIDE;
 
         void registerProperty(DOMWindowProperty*);
         void unregisterProperty(DOMWindowProperty*);
 
         void reset();
 
         PassRefPtr<MediaQueryList> matchMedia(const String&);
 
         unsigned pendingUnloadEventListeners() const;
 
@@ skipping 266 matching lines @@
     }
 
     inline String DOMWindow::defaultStatus() const
     {
         return m_defaultStatus;
     }
 
 } // namespace WebCore
 
 #endif // DOMWindow_h