Audio output debug recording.

media/audio/audio_manager.h

Index: media/audio/audio_manager.h
diff --git a/media/audio/audio_manager.h b/media/audio/audio_manager.h
index c5a7cdd949b96f912b1ca50aca03da4439bae293..9edbf2117f622c465eba2ea7101145b9f74cf4c4 100644
--- a/media/audio/audio_manager.h
+++ b/media/audio/audio_manager.h
@@ -15,6 +15,7 @@
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "media/audio/audio_device_description.h"
+#include "media/audio/audio_file_writer.h"
 #include "media/audio/audio_logging.h"
 #include "media/base/audio_parameters.h"
 
@@ -248,6 +249,20 @@ class MEDIA_EXPORT AudioManager {
   virtual std::unique_ptr<AudioLog> CreateAudioLog(
       AudioLogFactory::AudioComponent component) = 0;
 
+  // Initializes output debug recording. Can be called on any thread; will post
+  // to the audio thread if not called on it.
+  // TODO(grunell): Control input debug recording via these functions too.
+  virtual void InitializeOutputDebugRecording(
+      AudioFileWriter::CreateCallback create_audio_file_writer_callback) = 0;
+
+  // Enable output debug recording. InitializeOutputDebugRecording() must be
+  // called before this function.
+  virtual void EnableOutputDebugRecording(
+      const base::FilePath& base_file_name) = 0;
+
+  // Disable output debug recording.
+  virtual void DisableOutputDebugRecording() = 0;
+
   // Gets the name of the audio manager (e.g., Windows, Mac, PulseAudio).
   virtual const char* GetName() = 0;