Use base::File for the OpenResourceCallback's argument.

components/nacl/renderer/manifest_service_channel.cc

 // Copyright 2014 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 "components/nacl/renderer/manifest_service_channel.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "content/public/renderer/render_thread.h"
@@ skipping 67 matching lines @@
                  weak_ptr_factory_.GetWeakPtr(), reply));
 #else
   PpapiHostMsg_OpenResource::WriteReplyParams(
       reply, ppapi::proxy::SerializedHandle());
   Send(reply);
 #endif
 }
 
 #if !defined(OS_WIN)
 void ManifestServiceChannel::DidOpenResource(
-    IPC::Message* reply, const base::PlatformFile& platform_file) {
+    IPC::Message* reply, base::File file) {
   // Here, PlatformFileForTransit is alias of base::FileDescriptor.
   PpapiHostMsg_OpenResource::WriteReplyParams(
       reply,
       ppapi::proxy::SerializedHandle(
           ppapi::proxy::SerializedHandle::FILE,
-          base::FileDescriptor(platform_file, true)));
+          base::FileDescriptor(file.Pass())));
   Send(reply);
 }
 #endif
 
 }  // namespace nacl