Cleanup file permission check code in FileAPIMessageFilter

webkit/fileapi/file_permission_policy.cc

+// Copyright (c) 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 "webkit/fileapi/file_permission_policy.h"
+
+#include "base/platform_file.h"
+
+namespace fileapi {
+
+const int kReadFilePermissions = base::PLATFORM_FILE_OPEN |
+                                 base::PLATFORM_FILE_READ |
+                                 base::PLATFORM_FILE_EXCLUSIVE_READ |
+                                 base::PLATFORM_FILE_ASYNC;
+
+const int kWriteFilePermissions = base::PLATFORM_FILE_OPEN |
+                                  base::PLATFORM_FILE_WRITE |
+                                  base::PLATFORM_FILE_EXCLUSIVE_WRITE |
+                                  base::PLATFORM_FILE_ASYNC |
+                                  base::PLATFORM_FILE_WRITE_ATTRIBUTES;
+
+const int kCreateFilePermissions = base::PLATFORM_FILE_CREATE;
+
+const int kOpenFilePermissions = base::PLATFORM_FILE_CREATE |
+                                 base::PLATFORM_FILE_OPEN_ALWAYS |
+                                 base::PLATFORM_FILE_CREATE_ALWAYS |
+                                 base::PLATFORM_FILE_OPEN_TRUNCATED |
+                                 base::PLATFORM_FILE_WRITE |
+                                 base::PLATFORM_FILE_EXCLUSIVE_WRITE |
+                                 base::PLATFORM_FILE_DELETE_ON_CLOSE |
+                                 base::PLATFORM_FILE_WRITE_ATTRIBUTES;
+
+
+}  // namespace fileapi