Delete MediaController class, move Call ownership to PeerConnection.

webrtc/pc/peerconnection.cc

 /*
  *  Copyright 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 439 matching lines @@
   port_allocator_ = std::move(allocator);
 
   // The port allocator lives on the network thread and should be initialized
   // there.
   if (!network_thread()->Invoke<bool>(
           RTC_FROM_HERE, rtc::Bind(&PeerConnection::InitializePortAllocator_n,
                                    this, configuration))) {
     return false;
   }
 
-  media_controller_.reset(factory_->CreateMediaController(
-      configuration.media_config, event_log_.get()));
-
   session_.reset(new WebRtcSession(
-      media_controller_.get(), factory_->network_thread(),
+      factory_->channel_manager(), configuration.media_config,
+      event_log_.get(),
+      factory_->network_thread(),
       factory_->worker_thread(), factory_->signaling_thread(),
       port_allocator_.get(),
       std::unique_ptr<cricket::TransportController>(
           factory_->CreateTransportController(
               port_allocator_.get(),
               configuration.redetermine_role_on_ice_restart)),
 #ifdef HAVE_SCTP
       std::unique_ptr<cricket::SctpTransportInternalFactory>(
           new cricket::SctpTransportFactory(factory_->network_thread()))
 #else
@@ skipping 1833 matching lines @@
   }
   return event_log_->StartLogging(file, max_size_bytes);
 }
 
 void PeerConnection::StopRtcEventLog_w() {
   if (event_log_) {
     event_log_->StopLogging();
   }
 }
 }  // namespace webrtc