Standardize usage of virtual/override/final in content/renderer/

content/renderer/media/webrtc/peer_connection_dependency_factory.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_PEER_CONNECTION_DEPENDENCY_FACTORY_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_PEER_CONNECTION_DEPENDENCY_FACTORY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 115 matching lines @@
   static void AddNativeAudioTrackToBlinkTrack(
       webrtc::MediaStreamTrackInterface* native_track,
       const blink::WebMediaStreamTrack& webkit_track,
       bool is_local_track);
 
   scoped_refptr<base::MessageLoopProxy> GetWebRtcWorkerThread() const;
 
   // AecDumpMessageFilter::AecDumpDelegate implementation.
   // TODO(xians): Remove when option to disable audio track processing is
   // removed.
-  virtual void OnAecDumpFile(
-      const IPC::PlatformFileForTransit& file_handle) override;
-  virtual void OnDisableAecDump() override;
-  virtual void OnIpcClosing() override;
+  void OnAecDumpFile(const IPC::PlatformFileForTransit& file_handle) override;
+  void OnDisableAecDump() override;
+  void OnIpcClosing() override;
 
  protected:
   // Asks the PeerConnection factory to create a Local Audio Source.
   virtual scoped_refptr<webrtc::AudioSourceInterface>
       CreateLocalAudioSource(
           const webrtc::MediaConstraintsInterface* constraints);
 
   // Creates a media::AudioCapturerSource with an implementation that is
   // specific for a WebAudio source. The created WebAudioCapturerSource
   // instance will function as audio source instead of the default
@@ skipping 59 matching lines @@
   rtc::Thread* signaling_thread_;
   rtc::Thread* worker_thread_;
   base::Thread chrome_worker_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(PeerConnectionDependencyFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_PEER_CONNECTION_DEPENDENCY_FACTORY_H_