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

content/browser/media/media_internals.h

 // Copyright (c) 2012 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_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 #define CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 
 // This class stores information about currently active media.
 class CONTENT_EXPORT MediaInternals
     : NON_EXPORTED_BASE(public media::AudioLogFactory) {
  public:
   // Called with the update string.
   typedef base::Callback<void(const base::string16&)> UpdateCallback;
 
   static MediaInternals* GetInstance();
 
-  virtual ~MediaInternals();
+  ~MediaInternals() override;
 
   // Called when a MediaEvent occurs.
   void OnMediaEvents(int render_process_id,
                      const std::vector<media::MediaLogEvent>& events);
 
   // Add/remove update callbacks (see above).  Must be called on the IO thread.
   void AddUpdateCallback(const UpdateCallback& callback);
   void RemoveUpdateCallback(const UpdateCallback& callback);
 
   // Sends all audio cached data to each registered UpdateCallback.
   void SendAudioStreamData();
 
   // Sends all video capture capabilities cached data to each registered
   // UpdateCallback.
   void SendVideoCaptureDeviceCapabilities();
 
   // Called to inform of the capabilities enumerated for video devices.
   void UpdateVideoCaptureDeviceCapabilities(
       const media::VideoCaptureDeviceInfos& video_capture_device_infos);
 
   // AudioLogFactory implementation.  Safe to call from any thread.
-  virtual scoped_ptr<media::AudioLog> CreateAudioLog(
-      AudioComponent component) override;
+  scoped_ptr<media::AudioLog> CreateAudioLog(AudioComponent component) override;
 
  private:
   friend class AudioLogImpl;
   friend class MediaInternalsTest;
   friend struct base::DefaultLazyInstanceTraits<MediaInternals>;
 
   MediaInternals();
 
   // Sends |update| to each registered UpdateCallback.  Safe to call from any
   // thread, but will forward to the IO thread.
@@ skipping 18 matching lines @@
   base::Lock lock_;
   base::DictionaryValue audio_streams_cached_data_;
   int owner_ids_[AUDIO_COMPONENT_MAX];
 
   DISALLOW_COPY_AND_ASSIGN(MediaInternals);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_