[Remoting Host] Supporting WebRTC VP9 streaming

remoting/protocol/webrtc_video_stream.h

Index: remoting/protocol/webrtc_video_stream.h
diff --git a/remoting/protocol/webrtc_video_stream.h b/remoting/protocol/webrtc_video_stream.h
index 376eec02025d520b12943797e651a8537d7d6120..8b7998caa808bbdb175595a0ca137c150ad68d92 100644
--- a/remoting/protocol/webrtc_video_stream.h
+++ b/remoting/protocol/webrtc_video_stream.h
@@ -18,6 +18,7 @@
 #include "remoting/codec/webrtc_video_encoder.h"
 #include "remoting/protocol/host_video_stats_dispatcher.h"
 #include "remoting/protocol/video_stream.h"
+#include "third_party/webrtc/common_types.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 
 namespace webrtc {
@@ -74,6 +75,8 @@ class WebrtcVideoStream : public VideoStream,
       std::unique_ptr<WebrtcVideoStream::FrameStats> stats);
   void OnFrameEncoded(EncodedFrameWithStats frame);
 
+  void OnEncoderCreated(webrtc::VideoCodecType codec_type);
+
   // Capturer used to capture the screen.
   std::unique_ptr<webrtc::DesktopCapturer> capturer_;
   // Used to send across encoded frames.