Standardize usage of virtual/override/final specifiers.

media/audio/audio_input_controller.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 MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_
 
 #include <string>
 #include "base/atomicops.h"
 #include "base/callback.h"
@@ skipping 248 matching lines @@
     SILENCE_STATE_ONLY_SILENCE = 2,
     SILENCE_STATE_AUDIO_AND_SILENCE = 3,
     SILENCE_STATE_MAX = SILENCE_STATE_AUDIO_AND_SILENCE
   };
 #endif
 
   AudioInputController(EventHandler* handler,
                        SyncWriter* sync_writer,
                        UserInputMonitor* user_input_monitor,
                        const bool agc_is_enabled);
-  virtual ~AudioInputController();
+  ~AudioInputController() override;
 
   // Methods called on the audio thread (owned by the AudioManager).
   void DoCreate(AudioManager* audio_manager,
                 const AudioParameters& params,
                 const std::string& device_id);
   void DoCreateForLowLatency(AudioManager* audio_manager,
                              const AudioParameters& params,
                              const std::string& device_id);
   void DoCreateForStream(AudioInputStream* stream_to_control);
   void DoRecord();
@@ skipping 88 matching lines @@
 
   // Time when a low-latency stream is created.
   base::TimeTicks low_latency_create_time_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioInputController);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_