Replace FINAL and OVERRIDE with their C++11 counterparts in content/renderer

content/renderer/media/mock_media_stream_registry.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_REGISTRY_H_
 #define CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_REGISTRY_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "content/renderer/media/media_stream_registry_interface.h"
 
 namespace content {
 
 class MockMediaStreamRegistry : public MediaStreamRegistryInterface {
  public:
   MockMediaStreamRegistry();
 
   void Init(const std::string& stream_label);
   void AddVideoTrack(const std::string& track_id);
   virtual blink::WebMediaStream GetMediaStream(
-      const std::string& url) OVERRIDE;
+      const std::string& url) override;
 
   const blink::WebMediaStream test_stream() const;
 
  private:
   blink::WebMediaStream test_stream_;
   std::string stream_url_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_REGISTRY_H_