Remove unimplemented VideoChannel code.

talk/session/media/channel.cc

 /*
  * libjingle
  * Copyright 2004 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 1689 matching lines @@
 }
 
 bool VideoChannel::RemoveScreencast(uint32_t ssrc) {
   return InvokeOnWorker(Bind(&VideoChannel::RemoveScreencast_w, this, ssrc));
 }
 
 bool VideoChannel::IsScreencasting() {
   return InvokeOnWorker(Bind(&VideoChannel::IsScreencasting_w, this));
 }
 
-bool VideoChannel::SendIntraFrame() {
-  worker_thread()->Invoke<void>(Bind(
-      &VideoMediaChannel::SendIntraFrame, media_channel()));
-  return true;
-}
-
-bool VideoChannel::RequestIntraFrame() {
-  worker_thread()->Invoke<void>(Bind(
-      &VideoMediaChannel::RequestIntraFrame, media_channel()));
-  return true;
-}
-
 bool VideoChannel::SetVideoSend(uint32_t ssrc,
                                 bool mute,
                                 const VideoOptions* options) {
   return InvokeOnWorker(Bind(&VideoMediaChannel::SetVideoSend, media_channel(),
                              ssrc, mute, options));
 }
 
 void VideoChannel::ChangeState() {
   // Send outgoing data if we're the active call, we have the remote content,
   // and we have had some form of connectivity.
@@ skipping 586 matching lines @@
   return (data_channel_type_ == DCT_RTP) && BaseChannel::ShouldSetupDtlsSrtp();
 }
 
 void DataChannel::OnStreamClosedRemotely(uint32_t sid) {
   rtc::TypedMessageData<uint32_t>* message =
       new rtc::TypedMessageData<uint32_t>(sid);
   signaling_thread()->Post(this, MSG_STREAMCLOSEDREMOTELY, message);
 }
 
 }  // namespace cricket