Move back receiver VCM into ViEChannel.

webrtc/video/vie_channel.cc

Index: webrtc/video/vie_channel.cc
diff --git a/webrtc/video/vie_channel.cc b/webrtc/video/vie_channel.cc
index b41e21b380cc8841d19dcaae90502a249148aed6..9737403ada9a356f0c185245c36dfbf984d6feee 100644
--- a/webrtc/video/vie_channel.cc
+++ b/webrtc/video/vie_channel.cc
@@ -79,7 +79,6 @@ class ViEChannelProtectionCallback : public VCMProtectionCallback {
 ViEChannel::ViEChannel(Transport* transport,
                        ProcessThread* module_process_thread,
                        PayloadRouter* send_payload_router,
-                       VideoCodingModule* vcm,
                        RtcpIntraFrameObserver* intra_frame_observer,
                        RtcpBandwidthObserver* bandwidth_observer,
                        TransportFeedbackObserver* transport_feedback_observer,
@@ -93,9 +92,12 @@ ViEChannel::ViEChannel(Transport* transport,
       module_process_thread_(module_process_thread),
       send_payload_router_(send_payload_router),
       vcm_protection_callback_(new ViEChannelProtectionCallback(this)),
-      vcm_(vcm),
-      vie_receiver_(vcm_, remote_bitrate_estimator, this),
-      vie_sync_(vcm_),
+      vcm_(sender_ ? nullptr
+                   : VideoCodingModule::Create(Clock::GetRealTimeClock(),
+                                               nullptr,
+                                               nullptr)),
+      vie_receiver_(vcm_.get(), remote_bitrate_estimator, this),
+      vie_sync_(vcm_.get()),
       stats_observer_(new ChannelStatsObserver(this)),
       receive_stats_callback_(nullptr),
       incoming_video_stream_(nullptr),
@@ -817,6 +819,10 @@ int32_t ViEChannel::SetMTU(uint16_t mtu) {
   return 0;
 }
 
+VideoCodingModule* ViEChannel::vcm() {
+  return vcm_.get();
+}
+
 RtpRtcp* ViEChannel::rtp_rtcp() {
   return rtp_rtcp_modules_[0];
 }