Update bindings classes to use OVERRIDE / FINAL when needed

Source/bindings/v8/V8EventListener.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 37 matching lines @@
         static PassRefPtr<V8EventListener> create(v8::Local<v8::Object> listener, bool isAttribute, v8::Isolate* isolate)
         {
             return adoptRef(new V8EventListener(listener, isAttribute, isolate));
         }
 
     protected:
         V8EventListener(v8::Local<v8::Object> listener, bool isAttribute, v8::Isolate*);
 
         v8::Local<v8::Function> getListenerFunction(ExecutionContext*);
 
-        virtual v8::Local<v8::Value> callListenerFunction(ExecutionContext*, v8::Handle<v8::Value> jsEvent, Event*);
+        virtual v8::Local<v8::Value> callListenerFunction(ExecutionContext*, v8::Handle<v8::Value> jsEvent, Event*) OVERRIDE;
      };
 
 } // namespace WebCore
 
 #endif // V8EventListener_h