[RemotePlayback] Implement 'connecting' state

media/blink/webmediaplayer_cast_android.cc

Index: media/blink/webmediaplayer_cast_android.cc
diff --git a/media/blink/webmediaplayer_cast_android.cc b/media/blink/webmediaplayer_cast_android.cc
index a419cf49c71b79c8016c7f8c20b6cfd19e632194..004bead3f9d4283e283215d58cff97781f8aa106 100644
--- a/media/blink/webmediaplayer_cast_android.cc
+++ b/media/blink/webmediaplayer_cast_android.cc
@@ -298,6 +298,10 @@ void WebMediaPlayerCast::OnCancelledRemotePlaybackRequest() {
   client_->cancelledRemotePlaybackRequest();
 }
 
+void WebMediaPlayerCast::OnRemotePlaybackStarted() {
+  client_->remotePlaybackStarted();
+}
+
 void WebMediaPlayerCast::OnDidExitFullscreen() {
   DVLOG(1) << __FUNCTION__;
 }