Update web classes to use OVERRIDE / FINAL when needed

Source/web/WebSocketImpl.h

 /*
  * Copyright (C) 2011, 2012 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 28 matching lines @@
 #include "wtf/RefPtr.h"
 
 namespace WebCore { class MainThreadWebSocketChannel; }
 
 namespace blink {
 
 class WebDocument;
 class WebString;
 class WebURL;
 
-class WebSocketImpl : public WebSocket, public WebCore::WebSocketChannelClient {
+class WebSocketImpl FINAL : public WebSocket, public WebCore::WebSocketChannelClient {
 public:
     WebSocketImpl(const WebDocument&, WebSocketClient*);
     virtual ~WebSocketImpl();
 
     bool isNull() const { return !m_private; }
 
     virtual BinaryType binaryType() const OVERRIDE;
     virtual bool setBinaryType(BinaryType) OVERRIDE;
     virtual void connect(const WebURL&, const WebString& protocol) OVERRIDE;
     virtual WebString subprotocol() OVERRIDE;
@@ skipping 16 matching lines @@
 
 private:
     RefPtr<WebCore::MainThreadWebSocketChannel> m_private;
     WebSocketClient* m_client;
     BinaryType m_binaryType;
 };
 
 } // namespace blink
 
 #endif // WebWebSocketChannelImpl_h