Remove some PlatformFile uses from NaCl.

components/nacl/browser/nacl_host_message_filter.cc

 // 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.
 
 #include "components/nacl/browser/nacl_host_message_filter.h"
 
 #include "components/nacl/browser/nacl_browser.h"
 #include "components/nacl/browser/nacl_file_host.h"
 #include "components/nacl/browser/nacl_process_host.h"
 #include "components/nacl/browser/pnacl_host.h"
@@ skipping 84 matching lines @@
 
   // This is the first message we receive from the renderer once it knows we
   // want to use PNaCl, so start the translation cache initialization here.
   pnacl::PnaclHost::GetInstance()->Init();
 }
 
 // Return the temporary file via a reply to the
 // NaClHostMsg_NaClCreateTemporaryFile sync message.
 void NaClHostMessageFilter::SyncReturnTemporaryFile(
     IPC::Message* reply_msg,
-    base::PlatformFile fd) {
-  if (fd == base::kInvalidPlatformFileValue) {
-    reply_msg->set_reply_error();
-  } else {
+    base::File file) {
+  if (file.IsValid()) {
     NaClHostMsg_NaClCreateTemporaryFile::WriteReplyParams(
         reply_msg,
-        IPC::GetFileHandleForProcess(fd, PeerHandle(), true));
+        IPC::TakeFileHandleForProcess(file.Pass(), PeerHandle()));
+  } else {
+    reply_msg->set_reply_error();
   }
   Send(reply_msg);
 }
 
 void NaClHostMessageFilter::OnNaClCreateTemporaryFile(
     IPC::Message* reply_msg) {
   pnacl::PnaclHost::GetInstance()->CreateTemporaryFile(
       base::Bind(&NaClHostMessageFilter::SyncReturnTemporaryFile,
                  this,
                  reply_msg));
@@ skipping 46 matching lines @@
 
 void NaClHostMessageFilter::OnOpenNaClExecutable(int render_view_id,
                                                  const GURL& file_url,
                                                  IPC::Message* reply_msg) {
   nacl_file_host::OpenNaClExecutable(this, render_view_id, file_url,
                                      reply_msg);
 }
 #endif
 
 }  // namespace nacl