Remove some PlatformFile uses from NaCl.

components/nacl/browser/nacl_host_message_filter.h

 // Copyright 2013 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.
 
 #ifndef COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_
 #define COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_
 
+#include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/weak_ptr.h"
-#include "base/platform_file.h"
 #include "content/public/browser/browser_message_filter.h"
 
 class GURL;
 
 namespace nacl {
 struct NaClLaunchParams;
 struct PnaclCacheInfo;
 }
 
 namespace net {
@@ skipping 35 matching lines @@
   void OnNaClCreateTemporaryFile(IPC::Message* reply_msg);
   void OnGetNexeFd(int render_view_id,
                    int pp_instance,
                    const PnaclCacheInfo& cache_info);
   void OnTranslationFinished(int instance, bool success);
   void OnNaClErrorStatus(int render_view_id, int error_id);
   void OnOpenNaClExecutable(int render_view_id,
                             const GURL& file_url,
                             IPC::Message* reply_msg);
   void SyncReturnTemporaryFile(IPC::Message* reply_msg,
-                               base::PlatformFile fd);
+                               base::File file);
   void AsyncReturnTemporaryFile(int pp_instance,
                                 base::PlatformFile fd,
                                 bool is_hit);
 #endif
   int render_process_id_;
 
   // off_the_record_ is copied from the profile partly so that it can be
   // read on the IO thread.
   bool off_the_record_;
   base::FilePath profile_directory_;
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 
   base::WeakPtrFactory<NaClHostMessageFilter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClHostMessageFilter);
 };
 
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_