Set incoming_only flag on the host side when NAT traversal is disabled.

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, which is currently
 // used for the Linux-only Virtual Me2Me build.
 
 #include <string>
 
 #include "base/at_exit.h"
@@ skipping 190 matching lines @@
       signal_strategy_.reset(
           new XmppSignalStrategy(context_.jingle_thread(), xmpp_login_,
                                  xmpp_auth_token_, xmpp_auth_service_));
       signaling_connector_.reset(
           new SignalingConnector(signal_strategy_.get()));
     }
 
     if (!desktop_environment_.get())
       desktop_environment_.reset(DesktopEnvironment::Create(&context_));
 
-    protocol::NetworkSettings network_settings;
-    network_settings.allow_nat_traversal = allow_nat_traversal_;
+    protocol::NetworkSettings network_settings(allow_nat_traversal_);
     if (!allow_nat_traversal_) {
       network_settings.min_port = kMinPortNumber;
       network_settings.max_port = kMaxPortNumber;
     }
 
     host_ = new ChromotingHost(
         &context_, signal_strategy_.get(), desktop_environment_.get(),
         network_settings);
 
     heartbeat_sender_.reset(
@@ skipping 82 matching lines @@
   // Continue windows, though these should not be used for the Me2Me case
   // (crbug.com/104377).
   gfx::GtkInitFromCommandLine(*cmd_line);
 #endif  // TOOLKIT_USES_GTK
 
   remoting::HostProcess me2me_host;
   me2me_host.InitWithCommandLine(cmd_line);
 
   return me2me_host.Run();
 }