Update web classes to use OVERRIDE / FINAL when needed

Source/web/EventListenerWrapper.h

 /*
  * Copyright (C) 2010 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 25 matching lines @@
 namespace WebCore {
 class ExecutionContext;
 }
 
 namespace blink {
 
 class WebDOMEventListener;
 
 // FIXME: Remove the DeprecatedEventListenerWrapper class below once Chromium
 // switched to using WebDOMEvent.
-class EventListenerWrapper : public WebCore::EventListener {
+class EventListenerWrapper FINAL : public WebCore::EventListener {
 public:
     EventListenerWrapper(WebDOMEventListener*);
-    ~EventListenerWrapper();
+    virtual ~EventListenerWrapper();
 
-    virtual bool operator==(const WebCore::EventListener&);
-    virtual void handleEvent(WebCore::ExecutionContext*, WebCore::Event*);
+    virtual bool operator==(const WebCore::EventListener&) OVERRIDE;
+    virtual void handleEvent(WebCore::ExecutionContext*, WebCore::Event*) OVERRIDE;
 
     void webDOMEventListenerDeleted();
 
 private:
     WebDOMEventListener* m_webDOMEventListener;
 };
 
 } // namespace blink
 
 #endif