Forward output glitch information from stream WebRTC log

media/audio/mac/audio_low_latency_input_mac.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.
 //
 // Implementation of AudioInputStream for Mac OS X using the special AUHAL
 // input Audio Unit present in OS 10.4 and later.
 // The AUHAL input Audio Unit is for low-latency audio I/O.
 //
 // Overview of operation:
 //
@@ skipping 48 matching lines @@
 
 class AudioBus;
 class AudioManagerMac;
 class DataBuffer;
 
 class MEDIA_EXPORT AUAudioInputStream
     : public AgcAudioStream<AudioInputStream> {
  public:
   // The ctor takes all the usual parameters, plus |manager| which is the
   // the audio manager who is creating this object.
-  AUAudioInputStream(AudioManagerMac* manager,
-                     const AudioParameters& input_params,
-                     AudioDeviceID audio_device_id);
+  AUAudioInputStream(
+      AudioManagerMac* manager,
+      const AudioParameters& input_params,
+      AudioDeviceID audio_device_id,
+      const AudioManager::StatisticsCallback& statistics_callback);
   // The dtor is typically called by the AudioManager only and it is usually
   // triggered by calling AudioInputStream::Close().
   ~AUAudioInputStream() override;
 
   // Implementation of AudioInputStream.
   bool Open() override;
   void Start(AudioInputCallback* callback) override;
   void Stop() override;
   void Close() override;
   double GetMaxVolume() override;
@@ skipping 235 matching lines @@
 
   // Counts number of times RestartAudio() has been called. The max number of
   // attempts is restricted by |kMaxNumberOfRestartAttempts|.
   // Note that this counter is reset to zero after each successful restart.
   size_t number_of_restart_attempts_;
 
   // Counts the total number of times RestartAudio() has been called. It is
   // set to zero once in the constructor and then never reset again.
   size_t total_number_of_restart_attempts_;
 
+  // Sends statistics info.
+  AudioManager::StatisticsCallback statistics_callback_;
+
   // Used to ensure DevicePropertyChangedOnMainThread() is not called when
   // this object is destroyed.
   // Note that, all member variables should appear before the WeakPtrFactory.
   base::WeakPtrFactory<AUAudioInputStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AUAudioInputStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_MAC_AUDIO_LOW_LATENCY_INPUT_MAC_H_