Add MessageChanneFactory interface and use it in ChannelDispatcherBase.

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 121 matching lines @@
     scoped_refptr<webrtc::MediaStreamInterface> stream) {
   if (video_adapter_ && video_adapter_->label() == stream->label())
     video_adapter_.reset();
 }
 
 void WebrtcConnectionToHost::OnChannelInitialized(
     ChannelDispatcherBase* channel_dispatcher) {
   NotifyIfChannelsReady();
 }
 
-void WebrtcConnectionToHost::OnChannelError(
-    ChannelDispatcherBase* channel_dispatcher,
-    ErrorCode error) {
-  LOG(ERROR) << "Failed to connect channel " << channel_dispatcher;
-  CloseChannels();
-  SetState(FAILED, CHANNEL_CONNECTION_ERROR);
-}
-
 ConnectionToHost::State WebrtcConnectionToHost::state() const {
   return state_;
 }
 
 void WebrtcConnectionToHost::NotifyIfChannelsReady() {
   if (!control_dispatcher_.get() || !control_dispatcher_->is_connected())
     return;
   if (!event_dispatcher_.get() || !event_dispatcher_->is_connected())
     return;
 
@@ skipping 16 matching lines @@
 
   if (state != state_) {
     state_ = state;
     error_ = error;
     event_callback_->OnConnectionState(state_, error_);
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting