Add file thread in MessageHostContext.

remoting/host/desktop_environment.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.
 
 #include "remoting/host/desktop_environment.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "remoting/host/capturer.h"
 #include "remoting/host/chromoting_host.h"
@@ skipping 34 matching lines @@
                             capturer.get());
 
   if (capturer.get() == NULL || event_executor.get() == NULL) {
     LOG(ERROR) << "Unable to create DesktopEnvironment";
     return scoped_ptr<DesktopEnvironment>();
   }
 
 #if defined(OS_WIN)
   event_executor.reset(new SessionEventExecutorWin(
       context->desktop_message_loop(),
-      context->io_message_loop(),
+      context->file_message_loop()->message_loop_proxy(),
       event_executor.Pass()));
 #endif
 
   return scoped_ptr<DesktopEnvironment>(
       new DesktopEnvironment(context,
                              capturer.Pass(),
                              event_executor.Pass()));
 }
 
 // static
@@ skipping 14 matching lines @@
     : host_(NULL),
       context_(context),
       capturer_(capturer.Pass()),
       event_executor_(event_executor.Pass()) {
 }
 
 DesktopEnvironment::~DesktopEnvironment() {
 }
 
 }  // namespace remoting