Enable setting the maximum bitrate limit in RtpSender.

webrtc/pc/channel.h

Index: webrtc/pc/channel.h
diff --git a/webrtc/pc/channel.h b/webrtc/pc/channel.h
index f72818924d598b062280e858711e05ea8c702add..785bab632d9bb16a1c238ed2b220cb7758ec703f 100644
--- a/webrtc/pc/channel.h
+++ b/webrtc/pc/channel.h
@@ -360,6 +360,9 @@ class VoiceChannel : public BaseChannel {
   bool SetOutputVolume(uint32_t ssrc, double volume);
   void SetRawAudioSink(uint32_t ssrc,
                        rtc::scoped_ptr<webrtc::AudioSinkInterface> sink);
+  webrtc::RTCRtpParameters GetRtpParameters(uint32_t ssrc);
+  bool SetRtpParameters(uint32_t ssrc,
+                        const webrtc::RTCRtpParameters& parameters);
 
   // Get statistics about the current media session.
   bool GetStats(VoiceMediaInfo* stats);
@@ -380,6 +383,8 @@ class VoiceChannel : public BaseChannel {
   int GetInputLevel_w();
   int GetOutputLevel_w();
   void GetActiveStreams_w(AudioInfo::StreamList* actives);
+  bool GetRtpParameters_w(uint32_t ssrc, webrtc::RTCRtpParameters* parameters);
+  bool SetRtpParameters_w(uint32_t ssrc, webrtc::RTCRtpParameters parameters);
 
  private:
   // overrides from BaseChannel
@@ -407,6 +412,7 @@ class VoiceChannel : public BaseChannel {
   virtual void OnMediaMonitorUpdate(
       VoiceMediaChannel* media_channel, const VoiceMediaInfo& info);
   void OnAudioMonitorUpdate(AudioMonitor* monitor, const AudioInfo& info);
+  bool ApplySendParameters(const AudioSendParameters& parameters);
 
   static const int kEarlyMediaTimeout = 1000;
   MediaEngineInterface* media_engine_;
@@ -461,6 +467,9 @@ class VideoChannel : public BaseChannel {
   sigslot::signal2<uint32_t, rtc::WindowEvent> SignalScreencastWindowEvent;
 
   bool SetVideoSend(uint32_t ssrc, bool enable, const VideoOptions* options);
+  webrtc::RTCRtpParameters GetRtpParameters(uint32_t ssrc);
+  bool SetRtpParameters(uint32_t ssrc,
+                        const webrtc::RTCRtpParameters& parameters);
 
  private:
   typedef std::map<uint32_t, VideoCapturer*> ScreencastMap;
@@ -480,6 +489,9 @@ class VideoChannel : public BaseChannel {
   void OnScreencastWindowEvent_s(uint32_t ssrc, rtc::WindowEvent we);
   bool IsScreencasting_w() const;
   bool GetStats_w(VideoMediaInfo* stats);
+  bool GetRtpParameters_w(uint32_t ssrc, webrtc::RTCRtpParameters* parameters);
+  bool SetRtpParameters_w(uint32_t ssrc, webrtc::RTCRtpParameters parameters);
+  bool ApplySendParameters(const VideoSendParameters& parameters);
 
   virtual void OnMessage(rtc::Message* pmsg);
   virtual void GetSrtpCryptoSuites(std::vector<int>* crypto_suites) const;