Add MessageChanneFactory interface and use it in ChannelDispatcherBase.

remoting/protocol/webrtc_connection_to_client.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_client.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 156 matching lines @@
 void WebrtcConnectionToClient::OnChannelInitialized(
     ChannelDispatcherBase* channel_dispatcher) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (control_dispatcher_ && control_dispatcher_->is_connected() &&
       event_dispatcher_ && event_dispatcher_->is_connected()) {
     event_handler_->OnConnectionChannelsConnected(this);
   }
 }
 
-void WebrtcConnectionToClient::OnChannelError(
-    ChannelDispatcherBase* channel_dispatcher,
-    ErrorCode error) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  LOG(ERROR) << "Failed to connect channel "
-             << channel_dispatcher->channel_name();
-  Disconnect(error);
-}
-
 }  // namespace protocol
 }  // namespace remoting