Enable TURN on the host when using WebRTC.

remoting/host/remoting_me2me_host.cc

 // 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.
 //
 // This file implements a standalone host process for Me2Me.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
@@ skipping 1499 matching lines @@
     network_settings.port_range.max_port = NetworkSettings::kDefaultMaxPort;
   }
 
   scoped_refptr<protocol::TransportContext> transport_context =
       new protocol::TransportContext(
           signal_strategy_.get(),
           make_scoped_ptr(new protocol::ChromiumPortAllocatorFactory()),
           make_scoped_ptr(new ChromiumUrlRequestFactory(
               context_->url_request_context_getter())),
           network_settings, protocol::TransportRole::SERVER);
+  transport_context->set_ice_config_url(
+      ServiceUrls::GetInstance()->ice_config_url());
 
   scoped_ptr<protocol::SessionManager> session_manager(
       new protocol::JingleSessionManager(signal_strategy_.get()));
 
   scoped_ptr<protocol::CandidateSessionConfig> protocol_config =
       protocol::CandidateSessionConfig::CreateDefault();
   if (!desktop_environment_factory_->SupportsAudioCapture())
     protocol_config->DisableAudioChannel();
   if (enable_vp9_)
     protocol_config->set_vp9_experiment_enabled(true);
@@ skipping 213 matching lines @@
       base::TimeDelta::FromSeconds(kShutdownTimeoutSeconds));
   new HostProcess(std::move(context), &exit_code, &shutdown_watchdog);
 
   // Run the main (also UI) message loop until the host no longer needs it.
   message_loop.Run();
 
   return exit_code;
 }
 
 }  // namespace remoting