MediaStream Recorder: implement pause() and resume()

content/renderer/media/media_recorder_handler.cc

 // 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.
 
 #include "content/renderer/media/media_recorder_handler.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "content/renderer/media/video_track_recorder.h"
@@ skipping 100 matching lines @@
 
   recording_ = false;
   video_recorders_.clear();
   webm_muxer_.reset();
 }
 
 void MediaRecorderHandler::pause() {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   DCHECK(recording_);
   recording_ = false;
-  NOTIMPLEMENTED();
+  for (const auto& video_recorder : video_recorders_)
+    video_recorder->Pause();
 }
 
 void MediaRecorderHandler::resume() {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   DCHECK(!recording_);
   recording_ = true;
-  NOTIMPLEMENTED();
+  for (const auto& video_recorder : video_recorders_)
+    video_recorder->Resume();
 }
 
 void MediaRecorderHandler::OnEncodedVideo(
     const scoped_refptr<media::VideoFrame>& video_frame,
     scoped_ptr<std::string> encoded_data,
     base::TimeTicks timestamp,
     bool is_key_frame) {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   if (webm_muxer_) {
     webm_muxer_->OnEncodedVideo(video_frame, encoded_data.Pass(), timestamp,
                                 is_key_frame);
   }
 }
 
 void MediaRecorderHandler::WriteData(base::StringPiece data) {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   client_->writeData(data.data(), data.length(), false  /* lastInSlice */);
 }
 
 void MediaRecorderHandler::OnVideoFrameForTesting(
     const scoped_refptr<media::VideoFrame>& frame,
     const base::TimeTicks& timestamp) {
   for (auto* recorder : video_recorders_)
     recorder->OnVideoFrameForTesting(frame, timestamp);
 }
 
 }  // namespace content