Refactor the relationship between BaseChannel and MediaChannel so that we send over all the paramet…

talk/media/webrtc/webrtcvideoengine2.h

Index: talk/media/webrtc/webrtcvideoengine2.h
diff --git a/talk/media/webrtc/webrtcvideoengine2.h b/talk/media/webrtc/webrtcvideoengine2.h
index e30597584000c7198dc1e693b0fbefce3258ce95..542a42b5421cc930bdbe08fac97415d344cfa7d4 100644
--- a/talk/media/webrtc/webrtcvideoengine2.h
+++ b/talk/media/webrtc/webrtcvideoengine2.h
@@ -187,6 +187,8 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
 
   // VideoMediaChannel implementation
   void DetachVoiceChannel() override;
+  bool SetSendParameters(const VideoSendParameters& params) override;
+  bool SetRecvParameters(const VideoRecvParameters& params) override;
   bool SetRecvCodecs(const std::vector<VideoCodec>& codecs) override;
   bool SetSendCodecs(const std::vector<VideoCodec>& codecs) override;
   bool GetSendCodec(VideoCodec* send_codec) override;
@@ -529,6 +531,8 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
   std::vector<webrtc::RtpExtension> recv_rtp_extensions_;
   webrtc::Call::Config::BitrateConfig bitrate_config_;
   VideoOptions options_;
+  // Whether we have ever processed options.
+  bool options_set_ = false;
 };
 
 }  // namespace cricket