Media Remoting: Switch to remoting only when media is playing.

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index fbc72bd25887d237f44115538543daf3d6d7e624..f71413f73eb42f73ddc0b676c2ab2136a71dcbbe 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -422,6 +422,9 @@ void WebMediaPlayerImpl::play() {
   if (data_source_)
     data_source_->MediaIsPlaying();
 
+  if (observer_)
+    observer_->OnPlaying();
+
   DCHECK(watch_time_reporter_);
   watch_time_reporter_->OnPlaying();
   media_log_->AddEvent(media_log_->CreateEvent(MediaLogEvent::PLAY));
@@ -453,6 +456,9 @@ void WebMediaPlayerImpl::pause() {
   paused_time_ =
       ended_ ? pipeline_.GetMediaDuration() : pipeline_.GetMediaTime();
 
+  if (observer_)
+    observer_->OnPaused();
+
   DCHECK(watch_time_reporter_);
   watch_time_reporter_->OnPaused();
   media_log_->AddEvent(media_log_->CreateEvent(MediaLogEvent::PAUSE));