Audio output debug recording.

media/audio/pulse/pulse_output.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.
 //
 // Creates an audio output stream based on the PulseAudio asynchronous API;
 // specifically using the pa_threaded_mainloop model.
 //
 // If the stream is successfully opened, Close() must be called before the
 // stream is deleted as Close() is responsible for ensuring resource cleanup
 // occurs.
@@ skipping 34 matching lines @@
 
   ~PulseAudioOutputStream() override;
 
   // Implementation of AudioOutputStream.
   bool Open() override;
   void Close() 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;
 
  private:
   // Called by PulseAudio when |pa_stream_| change state.  If an unexpected
   // failure state change happens and |source_callback_| is set
   // this method will forward the error via OnError().
   static void StreamNotifyCallback(pa_stream* s, void* p_this);
 
   // Called by PulseAudio when it needs more audio data.
   static void StreamRequestCallback(pa_stream* s, size_t len, void* p_this);
 
@@ skipping 29 matching lines @@
   std::unique_ptr<AudioBus> audio_bus_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(PulseAudioOutputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_PULSE_PULSE_OUTPUT_H_