ChildProcessSecurityPolicy: Port FileAPIMessageFilter to use new checks

content/child/fileapi/file_system_dispatcher.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 "content/child/fileapi/file_system_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/process/process.h"
@@ skipping 306 matching lines @@
     const GURL& path,
     const base::Time& last_access_time,
     const base::Time& last_modified_time,
     const StatusCallback& callback) {
   int request_id = dispatchers_.Add(CallbackDispatcher::Create(callback));
   ChildThread::current()->Send(
       new FileSystemHostMsg_TouchFile(
           request_id, path, last_access_time, last_modified_time));
 }
 
-void FileSystemDispatcher::OpenFile(
+void FileSystemDispatcher::OpenPepperFile(
     const GURL& file_path,
-    int file_flags,
+    int pp_open_flags,
     const OpenFileCallback& success_callback,
     const StatusCallback& error_callback) {
   int request_id = dispatchers_.Add(
       CallbackDispatcher::Create(success_callback, error_callback));
   ChildThread::current()->Send(
-      new FileSystemHostMsg_OpenFile(
-          request_id, file_path, file_flags));
+      new FileSystemHostMsg_OpenPepperFile(
+          request_id, file_path, pp_open_flags));
 }
 
 void FileSystemDispatcher::NotifyCloseFile(int file_open_id) {
   ChildThread::current()->Send(
       new FileSystemHostMsg_NotifyCloseFile(file_open_id));
 }
 
 void FileSystemDispatcher::CreateSnapshotFile(
     const GURL& file_path,
     const CreateSnapshotFileCallback& success_callback,
@@ skipping 73 matching lines @@
     quota::QuotaLimitType quota_policy) {
   CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidOpenFile(IPC::PlatformFileForTransitToPlatformFile(file),
                           file_open_id,
                           quota_policy);
   dispatchers_.Remove(request_id);
 }
 
 }  // namespace content