Remove PlatformFile from remoting

remoting/host/ipc_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/ipc_desktop_environment.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 175 matching lines @@
 
   ActiveConnectionsList::iterator i = active_connections_.find(terminal_id);
   if (i != active_connections_.end()) {
     i->second->DetachFromDesktop();
     i->second->AttachToDesktop(desktop_process, desktop_pipe);
   } else {
     base::CloseProcessHandle(desktop_process);
 
 #if defined(OS_POSIX)
     DCHECK(desktop_pipe.auto_close);
-
-    base::ClosePlatformFile(desktop_pipe.fd);
+    base::File pipe_closer(IPC::PlatformFileForTransitToFile(desktop_pipe));
 #endif  // defined(OS_POSIX)
   }
 }
 
 void IpcDesktopEnvironmentFactory::OnTerminalDisconnected(int terminal_id) {
   if (!caller_task_runner_->BelongsToCurrentThread()) {
     caller_task_runner_->PostTask(FROM_HERE, base::Bind(
         &IpcDesktopEnvironmentFactory::OnTerminalDisconnected,
         base::Unretained(this), terminal_id));
     return;
   }
 
   ActiveConnectionsList::iterator i = active_connections_.find(terminal_id);
   if (i != active_connections_.end()) {
     DesktopSessionProxy* desktop_session_proxy = i->second;
     active_connections_.erase(i);
 
     // Disconnect the client session.
     desktop_session_proxy->DisconnectSession();
   }
 }
 
 }  // namespace remoting