Update bindings classes to use OVERRIDE / FINAL when needed

Source/bindings/v8/RetainedDOMInfo.h

 /*
  * Copyright (C) 2011 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #ifndef RetainedDOMInfo_h
 #define RetainedDOMInfo_h
 
 #include "bindings/v8/RetainedObjectInfo.h"
 
 namespace WebCore {
 
 class Node;
 
 // Implements v8::RetainedObjectInfo.
-class RetainedDOMInfo : public RetainedObjectInfo {
+class RetainedDOMInfo FINAL : public RetainedObjectInfo {
 public:
     explicit RetainedDOMInfo(Node* root);
     virtual ~RetainedDOMInfo();
-    virtual void Dispose();
-    virtual bool IsEquivalent(v8::RetainedObjectInfo* other);
-    virtual intptr_t GetHash();
-    virtual const char* GetGroupLabel();
-    virtual const char* GetLabel();
-    virtual intptr_t GetElementCount();
-    virtual intptr_t GetEquivalenceClass();
+    virtual void Dispose() OVERRIDE;
+    virtual bool IsEquivalent(v8::RetainedObjectInfo* other) OVERRIDE;
+    virtual intptr_t GetHash() OVERRIDE;
+    virtual const char* GetGroupLabel() OVERRIDE;
+    virtual const char* GetLabel() OVERRIDE;
+    virtual intptr_t GetElementCount() OVERRIDE;
+    virtual intptr_t GetEquivalenceClass() OVERRIDE;
 
 private:
     // V8 guarantees to keep RetainedObjectInfos alive only during a GC or heap snapshotting round, when renderer
     // doesn't get control. This allows us to use raw pointers.
     Node* m_root;
 };
 
 } // namespace WebCore
 
 #endif // RetainedDOMInfo_h