ChildProcessSecurityPolicy: Port FileAPIMessageFilter to use new checks

content/browser/renderer_host/pepper/pepper_security_helper.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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_SECURITY_HELPER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_SECURITY_HELPER_H_
 
 #include "base/files/file_path.h"
 #include "content/common/content_export.h"
+#include "webkit/browser/fileapi/file_system_url.h"
 
 namespace content {
 
-// Helper method that returns whether or not the child process is allowed to
+// Helper function that returns whether or not the child process is allowed to
 // open the specified |file| with the specified |pp_open_flags|.
 CONTENT_EXPORT bool CanOpenWithPepperFlags(int pp_open_flags,
                                            int child_id,
                                            const base::FilePath& file);
 
+// Helper function that returns whether or not the child process is allowed to
+// open the specified file system |url| with the specified |pp_open_flags|.
+CONTENT_EXPORT bool CanOpenFileSystemURLWithPepperFlags(
+    int pp_open_flags,
+    int child_id,
+    const fileapi::FileSystemURL& url);
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_SECURITY_HELPER_H_