Remove unimplemented VideoChannel code.

talk/media/webrtc/webrtcvideoengine2.cc

Index: talk/media/webrtc/webrtcvideoengine2.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2.cc b/talk/media/webrtc/webrtcvideoengine2.cc
index 2d5ec5383b3f30ff6ae6e2bb7c9b8ddfd655b102..d2db434aae7a978fdc85c9465e00416bb82cd8e7 100644
--- a/talk/media/webrtc/webrtcvideoengine2.cc
+++ b/talk/media/webrtc/webrtcvideoengine2.cc
@@ -1347,18 +1347,6 @@ bool WebRtcVideoChannel2::SetCapturer(uint32_t ssrc, VideoCapturer* 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) {
@@ -1474,14 +1462,6 @@ void WebRtcVideoChannel2::SetInterface(NetworkInterface* iface) {
                           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