Enable TURN on the host when using WebRTC.

remoting/host/chromoting_host.h

 // Copyright (c) 2012 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_HOST_CHROMOTING_HOST_H_
 #define REMOTING_HOST_CHROMOTING_HOST_H_
 
 #include <list>
 #include <string>
 
@@ skipping 52 matching lines @@
 //    return to the idle state. We then go to step (2) if there a new
 //    incoming connection.
 class ChromotingHost : public base::NonThreadSafe,
                        public ClientSession::EventHandler,
                        public HostStatusMonitor {
  public:
   // |desktop_environment_factory| must outlive this object.
   ChromotingHost(
       DesktopEnvironmentFactory* desktop_environment_factory,
       scoped_ptr<protocol::SessionManager> session_manager,
-      scoped_refptr<protocol::TransportContext> transport_context,
+      scoped_refptr<protocol::TransportContext> ice_transport_context,
+      scoped_refptr<protocol::TransportContext> webrtc_transport_context,
       scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> video_encode_task_runner);
   ~ChromotingHost() override;
 
   // Asynchronously starts the host.
   //
   // After this is invoked, the host process will connect to the talk
   // network and start listening for incoming connections.
   //
   // This method can only be called once during the lifetime of this object.
@@ skipping 63 matching lines @@
   // shutdown asynchronously, but the caller is guaranteed not to receive
   // callbacks for disconnected clients after this call returns.
   void DisconnectAllClients();
 
   // Unless specified otherwise all members of this class must be
   // used on the network thread only.
 
   // Parameters specified when the host was created.
   DesktopEnvironmentFactory* desktop_environment_factory_;
   scoped_ptr<protocol::SessionManager> session_manager_;
-  scoped_refptr<protocol::TransportContext> transport_context_;
+  scoped_refptr<protocol::TransportContext> ice_transport_context_;
+  scoped_refptr<protocol::TransportContext> webrtc_transport_context_;
   scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> video_encode_task_runner_;
 
   // Must be used on the network thread only.
   base::ObserverList<HostStatusObserver> status_observers_;
 
   // The connections to remote clients.
   ClientList clients_;
 
   // True if the host has been started.
@@ skipping 15 matching lines @@
   HostExtensionList extensions_;
 
   base::WeakPtrFactory<ChromotingHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_