Move FileAPI sandboxed filesystem related code from webkit/fileapi to webkit/browser/fileapi

webkit/fileapi/sandbox_database_test_helper.h

-// 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.
-
-#ifndef WEBKIT_FILEAPI_SANDBOX_DATABASE_TEST_HELPER_H_
-#define WEBKIT_FILEAPI_SANDBOX_DATABASE_TEST_HELPER_H_
-
-#include <cstddef>
-
-#include "third_party/leveldatabase/src/db/filename.h"
-
-namespace base {
-class FilePath;
-}
-
-namespace fileapi {
-
-void CorruptDatabase(const base::FilePath& db_path,
-                     leveldb::FileType type,
-                     ptrdiff_t offset,
-                     size_t size);
-
-void DeleteDatabaseFile(const base::FilePath& db_path,
-                        leveldb::FileType type);
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_FILEAPI_SANDBOX_DATABASE_TEST_HELPER_H_