Simplify data channel creation logic in WebRTC-based protocol

remoting/protocol/webrtc_connection_to_host.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/webrtc_connection_to_host.h"
 
 #include <utility>
 
 #include "jingle/glue/thread_wrapper.h"
 #include "remoting/protocol/client_control_dispatcher.h"
@@ skipping 86 matching lines @@
 
     case Session::FAILED:
       CloseChannels();
       SetState(FAILED, session_->error());
       break;
   }
 }
 
 void WebrtcConnectionToHost::OnWebrtcTransportConnecting() {
   event_dispatcher_.reset(new ClientEventDispatcher());
-  event_dispatcher_->Init(transport_->outgoing_channel_factory(), this);
+  event_dispatcher_->Init(
+      transport_->CreateOutgoingChannel(event_dispatcher_->channel_name()),
+      this);
 }
 
 void WebrtcConnectionToHost::OnWebrtcTransportConnected() {}
 
 void WebrtcConnectionToHost::OnWebrtcTransportError(ErrorCode error) {
   CloseChannels();
   SetState(FAILED, error);
 }
 
 void WebrtcConnectionToHost::OnWebrtcTransportIncomingDataChannel(
@@ skipping 65 matching lines @@
 
   if (state != state_) {
     state_ = state;
     error_ = error;
     event_callback_->OnConnectionState(state_, error_);
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting