Audio output debug recording.

media/audio/fake_audio_output_stream.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_FAKE_AUDIO_OUTPUT_STREAM_H_
 #define MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 12 matching lines @@
  public:
   static AudioOutputStream* MakeFakeStream(AudioManagerBase* manager,
                                            const AudioParameters& params);
 
   // AudioOutputStream implementation.
   bool Open() override;
   void Start(AudioSourceCallback* callback) override;
   void Stop() override;
   void SetVolume(double volume) override;
   void GetVolume(double* volume) override;
+  void EnableDebugRecording(const base::FilePath& file_name) override {}
+  void DisableDebugRecording() override {}
   void Close() override;
 
  private:
   FakeAudioOutputStream(AudioManagerBase* manager,
                         const AudioParameters& params);
   ~FakeAudioOutputStream() override;
 
   // Task that periodically calls OnMoreData() to consume audio data.
   void CallOnMoreData();
 
   AudioManagerBase* audio_manager_;
   AudioSourceCallback* callback_;
   FakeAudioWorker fake_worker_;
   std::unique_ptr<AudioBus> audio_bus_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_