Update bindings classes to use OVERRIDE / FINAL when needed

Source/bindings/v8/V8AbstractEventListener.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 51 matching lines @@
                 : 0;
         }
 
         static V8AbstractEventListener* cast(EventListener* listener)
         {
             return const_cast<V8AbstractEventListener*>(cast(const_cast<const EventListener*>(listener)));
         }
 
         // Implementation of EventListener interface.
 
-        virtual bool operator==(const EventListener& other) { return this == &other; }
+        virtual bool operator==(const EventListener& other) OVERRIDE { return this == &other; }
 
-        virtual void handleEvent(ExecutionContext*, Event*);
+        virtual void handleEvent(ExecutionContext*, Event*) OVERRIDE;
 
         virtual bool isLazy() const { return false; }
 
         // Returns the listener object, either a function or an object.
         v8::Local<v8::Object> getListenerObject(ExecutionContext* context)
         {
             // prepareListenerObject can potentially deref this event listener
             // as it may attempt to compile a function (lazy event listener), get an error
             // and invoke onerror callback which can execute arbitrary JS code.
             // Protect this event listener to keep it alive.
@@ skipping 54 matching lines @@
         // Indicates if this is an HTML type listener.
         bool m_isAttribute;
 
         RefPtr<DOMWrapperWorld> m_world;
         v8::Isolate* m_isolate;
     };
 
 } // namespace WebCore
 
 #endif // V8AbstractEventListener_h