Standardize usage of virtual/override/final specifiers.

components/copresence/mediums/audio/audio_recorder_impl.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 COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_RECORDER_IMPL_H_
 #define COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_RECORDER_IMPL_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 36 matching lines @@
       media::AudioInputStream* input_stream_for_testing) {
     input_stream_for_testing_.reset(input_stream_for_testing);
   }
 
   // Takes ownership of the params.
   void set_params_for_testing(media::AudioParameters* params_for_testing) {
     params_for_testing_.reset(params_for_testing);
   }
 
  protected:
-  virtual ~AudioRecorderImpl();
+  ~AudioRecorderImpl() override;
   void set_is_recording(bool is_recording) { is_recording_ = is_recording; }
 
  private:
   friend class AudioRecorderTest;
   FRIEND_TEST_ALL_PREFIXES(AudioRecorderTest, BasicRecordAndStop);
   FRIEND_TEST_ALL_PREFIXES(AudioRecorderTest, OutOfOrderRecordAndStopMultiple);
 
   // Methods to do our various operations; all of these need to be run on the
   // audio thread.
   void InitializeOnAudioThread();
@@ skipping 39 matching lines @@
 
   scoped_ptr<media::AudioInputStream> input_stream_for_testing_;
   scoped_ptr<media::AudioParameters> params_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRecorderImpl);
 };
 
 }  // namespace copresence
 
 #endif  // COMPONENTS_COPRESENCE_MEDIUMS_AUDIO_AUDIO_RECORDER_IMPL_H_