Add support for dynamic channels in WebrtcTransport.

remoting/protocol/ice_connection_to_client.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_ICE_CONNECTION_TO_CLIENT_H_
 #define REMOTING_PROTOCOL_ICE_CONNECTION_TO_CLIENT_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 37 matching lines @@
   void Disconnect(ErrorCode error) override;
   void OnInputEventReceived(int64_t timestamp) override;
   std::unique_ptr<VideoStream> StartVideoStream(
       std::unique_ptr<webrtc::DesktopCapturer> desktop_capturer) override;
   AudioStub* audio_stub() override;
   ClientStub* client_stub() override;
   void set_clipboard_stub(ClipboardStub* clipboard_stub) override;
   void set_host_stub(HostStub* host_stub) override;
   void set_input_stub(InputStub* input_stub) override;
 
+ private:
   // Session::EventHandler interface.
   void OnSessionStateChange(Session::State state) override;
 
   // IceTransport::EventHandler interface.
   void OnIceTransportRouteChange(const std::string& channel_name,
                                  const TransportRoute& route) override;
   void OnIceTransportError(ErrorCode error) override;
 
   // ChannelDispatcherBase::EventHandler interface.
   void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
+  void OnChannelClosed(ChannelDispatcherBase* channel_dispatcher) override;
 
- private:
   void NotifyIfChannelsReady();
 
   void CloseChannels();
 
   base::ThreadChecker thread_checker_;
 
   // Event handler for handling events sent from this object.
   ConnectionToClient::EventHandler* event_handler_;
 
   std::unique_ptr<Session> session_;
 
   scoped_refptr<base::SingleThreadTaskRunner> video_encode_task_runner_;
 
   IceTransport transport_;
 
   std::unique_ptr<HostControlDispatcher> control_dispatcher_;
   std::unique_ptr<HostEventDispatcher> event_dispatcher_;
   std::unique_ptr<HostVideoDispatcher> video_dispatcher_;
   std::unique_ptr<AudioWriter> audio_writer_;
 
   DISALLOW_COPY_AND_ASSIGN(IceConnectionToClient);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_ICE_CONNECTION_TO_CLIENT_H_