Add support for negotiating RTCP with reduced size.

talk/media/webrtc/webrtcvideoengine2.h

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 255 matching lines @@
   // frames are then converted from cricket frames to webrtc frames.
   class WebRtcVideoSendStream : public sigslot::has_slots<> {
    public:
     WebRtcVideoSendStream(
         webrtc::Call* call,
         WebRtcVideoEncoderFactory* external_encoder_factory,
         const VideoOptions& options,
         int max_bitrate_bps,
         const Settable<VideoCodecSettings>& codec_settings,
         const StreamParams& sp,
-        const std::vector<webrtc::RtpExtension>& rtp_extensions);
+        const std::vector<webrtc::RtpExtension>& rtp_extensions,
+        const VideoSendParameters& send_params);
     ~WebRtcVideoSendStream();
 
     void SetOptions(const VideoOptions& options);
     void SetCodec(const VideoCodecSettings& codec);
     void SetRtpExtensions(
         const std::vector<webrtc::RtpExtension>& rtp_extensions);
 
     void InputFrame(VideoCapturer* capturer, const VideoFrame* frame);
     bool SetCapturer(VideoCapturer* capturer);
     bool SetVideoFormat(const VideoFormat& format);
@@ skipping 248 matching lines @@
   std::vector<webrtc::RtpExtension> send_rtp_extensions_;
 
   WebRtcVoiceMediaChannel* voice_channel_;
   const int voice_channel_id_;
   WebRtcVideoEncoderFactory* const external_encoder_factory_;
   WebRtcVideoDecoderFactory* const external_decoder_factory_;
   std::vector<VideoCodecSettings> recv_codecs_;
   std::vector<webrtc::RtpExtension> recv_rtp_extensions_;
   webrtc::Call::Config::BitrateConfig bitrate_config_;
   VideoOptions options_;
+  // TODO(pbos): Don't duplicate information between
+  // send_params/recv_params, rtp_extensions, options, etc.
+  VideoSendParameters send_params_;
+  VideoRecvParameters recv_params_;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_WEBRTC_WEBRTCVIDEOENGINE2_H_