Cast: Updated congestion control

media/cast/video_sender/video_sender.h

Index: media/cast/video_sender/video_sender.h
diff --git a/media/cast/video_sender/video_sender.h b/media/cast/video_sender/video_sender.h
index c949ba335603fa79945e6c9a990fd743480720bf..30066cbbf8025a4a535fd7bb7da2e69bc774beb6 100644
--- a/media/cast/video_sender/video_sender.h
+++ b/media/cast/video_sender/video_sender.h
@@ -97,8 +97,6 @@ class VideoSender : public RtcpSenderFeedback,
   void SendEncodedVideoFrame(int requested_bitrate_before_encode,
                              scoped_ptr<transport::EncodedFrame> encoded_frame);
 
-  void UpdateBitrate(int32 new_bitrate);
-
   const scoped_refptr<CastEnvironment> cast_environment_;
 
   // The total amount of time between a frame's capture/recording on the sender
@@ -161,10 +159,6 @@ class VideoSender : public RtcpSenderFeedback,
   // case, VideoSender will trigger a re-send of the next frame.
   int duplicate_ack_counter_;
 
-  // Desired encoder bitrate (in bits per second).  This is updated by querying
-  // |congestion_control_| as each ACK is received.
-  int current_requested_bitrate_;
-
   // When we get close to the max number of un-acked frames, we set lower
   // the bitrate drastically to ensure that we catch up. Without this we
   // risk getting stuck in a catch-up state forever.