Remove unimplemented VideoChannel code.

talk/media/webrtc/webrtcvideoengine2.cc

 /*
  * 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 1329 matching lines @@
     capturer->SetApplyRotation(!ContainsHeaderExtension(
         send_rtp_extensions_, kRtpVideoRotationHeaderExtension));
   }
   {
     rtc::CritScope lock(&capturer_crit_);
     capturers_[ssrc] = capturer;
   }
   return true;
 }
 
-bool WebRtcVideoChannel2::SendIntraFrame() {
-  // TODO(pbos): Implement.
-  LOG(LS_VERBOSE) << "SendIntraFrame().";
-  return true;
-}
-
-bool WebRtcVideoChannel2::RequestIntraFrame() {
-  // TODO(pbos): Implement.
-  LOG(LS_VERBOSE) << "SendIntraFrame().";
-  return true;
-}
-
 void WebRtcVideoChannel2::OnPacketReceived(
     rtc::Buffer* packet,
     const rtc::PacketTime& packet_time) {
   const webrtc::PacketTime webrtc_packet_time(packet_time.timestamp,
                                               packet_time.not_before);
   const webrtc::PacketReceiver::DeliveryStatus delivery_result =
       call_->Receiver()->DeliverPacket(
           webrtc::MediaType::VIDEO,
           reinterpret_cast<const uint8_t*>(packet->data()), packet->size(),
           webrtc_packet_time);
@@ skipping 95 matching lines @@
 
   // Speculative change to increase the outbound socket buffer size.
   // In b/15152257, we are seeing a significant number of packets discarded
   // due to lack of socket buffer space, although it's not yet clear what the
   // ideal value should be.
   MediaChannel::SetOption(NetworkInterface::ST_RTP,
                           rtc::Socket::OPT_SNDBUF,
                           kVideoRtpBufferSize);
 }
 
-void WebRtcVideoChannel2::UpdateAspectRatio(int ratio_w, int ratio_h) {
-  // TODO(pbos): Implement.
-}
-
-void WebRtcVideoChannel2::OnMessage(rtc::Message* msg) {
-  // Ignored.
-}
-
 void WebRtcVideoChannel2::OnLoadUpdate(Load load) {
   // OnLoadUpdate can not take any locks that are held while creating streams
   // etc. Doing so establishes lock-order inversions between the webrtc process
   // thread on stream creation and locks such as stream_crit_ while calling out.
   rtc::CritScope stream_lock(&capturer_crit_);
   if (!signal_cpu_adaptation_)
     return;
   // Do not adapt resolution for screen content as this will likely result in
   // blurry and unreadable text.
   for (auto& kv : capturers_) {
@@ skipping 1110 matching lines @@
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VIDEO