Pass the |curtain_activated| flag to IpcDesktopEnvironmentFactory.

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 <string>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
@@ skipping 925 matching lines @@
 
   log_to_server_.reset(
       new LogToServer(host_->AsWeakPtr(), ServerLogEntry::ME2ME,
                       signal_strategy_.get(), directory_bot_jid_));
   host_event_logger_ =
       HostEventLogger::Create(host_->AsWeakPtr(), kApplicationName);
 
   resizing_host_observer_.reset(
       new ResizingHostObserver(desktop_resizer_.get(), host_->AsWeakPtr()));
 
+#if defined(REMOTING_RDP_SESSION)
+  // TODO(alexeypa): do not create |curtain_| in this case.
+  CurtainMode* curtain = static_cast<IpcDesktopEnvironmentFactory*>(
+      desktop_environment_factory_.get());
+#else  // !defined(REMOTING_RDP_SESSION)
+  CurtainMode* curtain = curtain_.get();
+#endif  // !defined(REMOTING_RDP_SESSION)
+
   // Create a host observer to enable/disable curtain mode as clients connect
   // and disconnect.
   curtaining_host_observer_.reset(new CurtainingHostObserver(
-                                  curtain_.get(), host_->AsWeakPtr()));
+      curtain, host_->AsWeakPtr()));
   curtaining_host_observer_->SetEnableCurtaining(curtain_required_);
 
   if (host_user_interface_.get()) {
     host_user_interface_->Start(
         host_, base::Bind(&HostProcess::OnDisconnectRequested, this));
   }
 
   host_->Start(xmpp_login_);
 
   CreateAuthenticatorFactory();
@@ skipping 141 matching lines @@
   return exit_code;
 }
 
 }  // namespace remoting
 
 #if !defined(OS_WIN)
 int main(int argc, char** argv) {
   return remoting::HostMain(argc, argv);
 }
 #endif  // !defined(OS_WIN)