Audio output debug recording.

media/audio/audio_output_resampler.h

Index: media/audio/audio_output_resampler.h
diff --git a/media/audio/audio_output_resampler.h b/media/audio/audio_output_resampler.h
index da512e09ebc345934a326a8c367678f639678067..4b4d3249120dcb0c11cb341c0fc3721f3c5dbefb 100644
--- a/media/audio/audio_output_resampler.h
+++ b/media/audio/audio_output_resampler.h
@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
+#include "media/audio/audio_debug_recording_manager.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager.h"
 #include "media/audio/audio_output_dispatcher_impl.h"
@@ -35,7 +36,9 @@ class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher {
                        const AudioParameters& input_params,
                        const AudioParameters& output_params,
                        const std::string& output_device_id,
-                       const base::TimeDelta& close_delay);
+                       base::TimeDelta close_delay,
+                       const RegisterDebugRecordingSourceCallback&
+                           register_debug_recording_source_callback);
   ~AudioOutputResampler() override;
 
   // AudioOutputDispatcher interface.
@@ -90,6 +93,10 @@ class MEDIA_EXPORT AudioOutputResampler : public AudioOutputDispatcher {
   // to a fake stream indefinitely for transient errors.
   base::Timer reinitialize_timer_;
 
+  // Callback for registering debug recording source.
+  RegisterDebugRecordingSourceCallback
+      register_debug_recording_source_callback_;
+
   base::WeakPtrFactory<AudioOutputResampler> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(AudioOutputResampler);
 };