Update {virtual,override,final} to follow C++11 style.

content/renderer/media/android/stream_texture_factory_synchronous_impl.cc

 // Copyright 2014 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.
 
 #include "content/renderer/media/android/stream_texture_factory_synchronous_impl.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 13 matching lines @@
 namespace content {
 
 namespace {
 
 class StreamTextureProxyImpl
     : public StreamTextureProxy,
       public base::SupportsWeakPtr<StreamTextureProxyImpl> {
  public:
   explicit StreamTextureProxyImpl(
       StreamTextureFactorySynchronousImpl::ContextProvider* provider);
-  virtual ~StreamTextureProxyImpl();
+  ~StreamTextureProxyImpl() override;
 
   // StreamTextureProxy implementation:
-  virtual void BindToLoop(int32 stream_id,
-                          cc::VideoFrameProvider::Client* client,
-                          scoped_refptr<base::MessageLoopProxy> loop) override;
-  virtual void Release() override;
+  void BindToLoop(int32 stream_id,
+                  cc::VideoFrameProvider::Client* client,
+                  scoped_refptr<base::MessageLoopProxy> loop) override;
+  void Release() override;
 
  private:
   void BindOnThread(int32 stream_id);
   void OnFrameAvailable();
 
   // Protects access to |client_| and |loop_|.
   base::Lock lock_;
   cc::VideoFrameProvider::Client* client_;
   scoped_refptr<base::MessageLoopProxy> loop_;
 
@@ skipping 176 matching lines @@
 
 void StreamTextureFactorySynchronousImpl::RemoveObserver(
     StreamTextureFactoryContextObserver* obs) {
   DCHECK_EQ(observer_, obs);
   observer_ = NULL;
   if (context_provider_.get())
     context_provider_->RemoveObserver(obs);
 }
 
 }  // namespace content