Remove the video channel id completely.

webrtc/video/video_receive_stream.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 122 matching lines @@
   codec.height = 180;
   codec.startBitrate = codec.minBitrate = codec.maxBitrate =
       Call::Config::kDefaultStartBitrateBps / 1000;
 
   return codec;
 }
 }  // namespace
 
 VideoReceiveStream::VideoReceiveStream(int num_cpu_cores,
                                        ChannelGroup* channel_group,
-                                       int channel_id,
                                        const VideoReceiveStream::Config& config,
                                        webrtc::VoiceEngine* voice_engine,
                                        ProcessThread* process_thread)
     : transport_adapter_(config.rtcp_send_transport),
       encoded_frame_proxy_(config.pre_decode_callback),
       config_(config),
       clock_(Clock::GetRealTimeClock()),
       channel_group_(channel_group) {
   LOG(LS_INFO) << "VideoReceiveStream: " << config_.ToString();
 
@@ skipping 212 matching lines @@
   return 0;
 }
 
 void VideoReceiveStream::SignalNetworkState(NetworkState state) {
   vie_channel_->SetRTCPMode(state == kNetworkUp ? config_.rtp.rtcp_mode
                                                 : RtcpMode::kOff);
 }
 
 }  // namespace internal
 }  // namespace webrtc