Forward output glitch information from stream WebRTC log

media/audio/audio_logging.h

Index: media/audio/audio_logging.h
diff --git a/media/audio/audio_logging.h b/media/audio/audio_logging.h
index 5b1848ea7a6c0c4e2931152fee868c7e9d8c289a..6bfd90415c432476518bfc0b940f6427e8a70e9e 100644
--- a/media/audio/audio_logging.h
+++ b/media/audio/audio_logging.h
@@ -10,6 +10,7 @@
 
 
 namespace media {
+
 class AudioParameters;
 
 // AudioLog logs state information about an active audio component.  Each method
@@ -48,6 +49,9 @@ class AudioLog {
   // new audio output device.
   virtual void OnSwitchOutputDevice(int component_id,
                                     const std::string& device_id) = 0;
+
+  // Called when an audio component wants to forward a log message.
+  virtual void OnLogMessage(int component_id, const std::string& message) = 0;
 };
 
 // AudioLogFactory dispenses AudioLog instances to owning classes for tracking