Wire up transport sequence number / send time callbacks to webrtc via libjingle.

webrtc/video_engine/vie_channel_group.cc

 /*
  *  Copyright (c) 2012 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 427 matching lines @@
   {
     rtc::CritScope lock(&encoder_map_crit_);
     for (const auto& encoder : vie_encoder_map_)
       pad_up_to_bitrate_bps += encoder.second->GetPaddingNeededBps();
   }
   pacer_->UpdateBitrate(
       target_bitrate_bps / 1000,
       PacedSender::kDefaultPaceMultiplier * target_bitrate_bps / 1000,
       pad_up_to_bitrate_bps / 1000);
 }
+
+void ChannelGroup::OnSentPacket(const rtc::SentPacket& sent_packet) {
+  if (transport_feedback_adapter_) {
+    transport_feedback_adapter_->UpdateSendTime(sent_packet.packet_id,
+                                                sent_packet.send_time_ms);
+  }
+}
 }  // namespace webrtc