MediaStream Recorder: implement pause() and resume()

content/renderer/media/media_recorder_handler.cc

Index: content/renderer/media/media_recorder_handler.cc
diff --git a/content/renderer/media/media_recorder_handler.cc b/content/renderer/media/media_recorder_handler.cc
index f8d9de12599eba07571ae85b0059c6ac1e79ebe8..8029dea5b9cca96184d69d2ab7c9cb9f9f1d8a0c 100644
--- a/content/renderer/media/media_recorder_handler.cc
+++ b/content/renderer/media/media_recorder_handler.cc
@@ -118,14 +118,16 @@ 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(