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

Source/core/frame/Screen.h

 /*
  * Copyright (C) 2007 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:
  *
  * 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 21 matching lines @@
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/frame/DOMWindowProperty.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
     class Frame;
 
-    class Screen : public ScriptWrappable, public RefCounted<Screen>, public DOMWindowProperty {
+    class Screen FINAL : public ScriptWrappable, public RefCounted<Screen>, public DOMWindowProperty {
     public:
         static PassRefPtr<Screen> create(Frame *frame) { return adoptRef(new Screen(frame)); }
 
         unsigned height() const;
         unsigned width() const;
         unsigned colorDepth() const;
         unsigned pixelDepth() const;
         int availLeft() const;
         int availTop() const;
         unsigned availHeight() const;
         unsigned availWidth() const;
 
     private:
         explicit Screen(Frame*);
     };
 
 } // namespace WebCore
 
 #endif // Screen_h