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

talk/app/webrtc/peerconnection.cc

 /*
  * libjingle
  * Copyright 2012 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 612 matching lines @@
 
   if (configuration.tcp_candidate_policy == kTcpCandidatePolicyDisabled) {
     portallocator_flags |= cricket::PORTALLOCATOR_DISABLE_TCP;
     LOG(LS_INFO) << "TCP candidates are disabled.";
   }
 
   port_allocator_->set_flags(portallocator_flags);
   // No step delay is used while allocating ports.
   port_allocator_->set_step_delay(cricket::kMinimumStepDelay);
 
+  media_controller_.reset(factory_->CreateMediaController());
+
   remote_stream_factory_.reset(new RemoteMediaStreamFactory(
-      factory_->signaling_thread(), factory_->channel_manager()));
+      factory_->signaling_thread(), media_controller_->channel_manager()));
 
-  session_.reset(new WebRtcSession(
-      factory_->channel_manager(), factory_->signaling_thread(),
-      factory_->worker_thread(), port_allocator_.get()));
+  session_.reset(
+      new WebRtcSession(media_controller_.get(), factory_->signaling_thread(),
+                        factory_->worker_thread(), port_allocator_.get()));
   stats_.reset(new StatsCollector(this));
 
   // Initialize the WebRtcSession. It creates transport channels etc.
   if (!session_->Initialize(factory_->options(), constraints,
                             dtls_identity_store.Pass(), configuration)) {
     return false;
   }
 
   // Register PeerConnection as receiver of local ice candidates.
   // All the callbacks will be posted to the application from PeerConnection.
@@ skipping 1300 matching lines @@
 DataChannel* PeerConnection::FindDataChannelBySid(int sid) const {
   for (const auto& channel : sctp_data_channels_) {
     if (channel->id() == sid) {
       return channel;
     }
   }
   return nullptr;
 }
 
 }  // namespace webrtc