MediaRecorder: Add Pause()/Resume() to AudioTrackRecorder

content/renderer/media/audio_track_recorder.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_TRACK_RECORDER_H_
 #define CONTENT_RENDERER_MEDIA_AUDIO_TRACK_RECORDER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 29 matching lines @@
   AudioTrackRecorder(const blink::WebMediaStreamTrack& track,
                      const OnEncodedAudioCB& on_encoded_audio_cb,
                      int32_t bits_per_second);
   ~AudioTrackRecorder() override;
 
   // Implement MediaStreamAudioSink.
   void OnSetFormat(const media::AudioParameters& params) override;
   void OnData(const media::AudioBus& audio_bus,
               base::TimeTicks capture_time) override;
 
+  void Pause();
+  void Resume();
+
  private:
   // Forward declaration of nested class for handling encoding.
   // See the implementation file for details.
   class AudioEncoder;
 
   // Used to check that we are destroyed on the same thread we were created on.
   base::ThreadChecker main_render_thread_checker_;
 
   // Used to check that MediaStreamAudioSink's methods are called on the
   // capture audio thread.
@@ skipping 11 matching lines @@
   const scoped_refptr<AudioEncoder> encoder_;
   // The thread on which |encoder_| works.
   base::Thread encoder_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioTrackRecorder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_AUDIO_TRACK_RECORDER_H_