Add localized default audio device names.

media/audio/mock_audio_manager.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_MOCK_AUDIO_MANAGER_H_
 #define MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_
 
 #include "media/audio/audio_manager.h"
 
 namespace media {
@@ skipping 19 matching lines @@
 
   base::string16 GetAudioInputDeviceModel() override;
 
   void ShowAudioInputSettings() override;
 
   void GetAudioInputDeviceNames(media::AudioDeviceNames* device_names) override;
 
   void GetAudioOutputDeviceNames(
       media::AudioDeviceNames* device_names) override;
 
+  std::string GetDefaultDeviceName() const override;
+
   media::AudioOutputStream* MakeAudioOutputStream(
       const media::AudioParameters& params,
       const std::string& device_id) override;
 
   media::AudioOutputStream* MakeAudioOutputStreamProxy(
       const media::AudioParameters& params,
       const std::string& device_id) override;
 
   media::AudioInputStream* MakeAudioInputStream(
       const media::AudioParameters& params,
@@ skipping 23 matching lines @@
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(MockAudioManager);
 };
 
 }  // namespace media.
 
 #endif  // MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_