Audio output debug recording.

media/audio/audio_output_controller.h

Index: media/audio/audio_output_controller.h
diff --git a/media/audio/audio_output_controller.h b/media/audio/audio_output_controller.h
index f3d4b428425134b89f62f844ca889b9cd994f8a8..3e895a497264cf5ed6be4093942edfd1fe0040f7 100644
--- a/media/audio/audio_output_controller.h
+++ b/media/audio/audio_output_controller.h
@@ -189,6 +189,12 @@ class MEDIA_EXPORT AudioOutputController
   // audio_power_monitor.h for usage.  This may be called on any thread.
   std::pair<float, bool> ReadCurrentPowerAndClip();
 
+  // Enable debug recording of audio.
+  void EnableDebugRecording(const base::FilePath& file_name);
+
+  // Disable debug recording of audio.
+  void DisableDebugRecording();
+
  protected:
   // Internal state of the source.
   enum State {
@@ -240,6 +246,12 @@ class MEDIA_EXPORT AudioOutputController
   void BroadcastDataToDuplicationTargets(std::unique_ptr<AudioBus> audio_bus,
                                          base::TimeTicks reference_time);
 
+  // Enable debug recording of audio.
+  void DoEnableDebugRecording(const base::FilePath& file_name);
+
+  // Disable debug recording of audio.
+  void DoDisableDebugRecording();
+
   AudioManager* const audio_manager_;
   const AudioParameters params_;
   EventHandler* const handler_;