chrome/browser/sync_file_system/drive_backend/metadata_db_migration_util.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_
   7
   8 #include "chrome/browser/sync_file_system/sync_status_code.h"
   9
  10 namespace leveldb {
  11 class DB;
  12 }
  13
  14 namespace sync_file_system {
  15 namespace drive_backend {
  16
  17 // Rollback |db| schema from version 4 to version 3.
  18 SyncStatusCode MigrateDatabaseFromV4ToV3(leveldb::DB* db);
  19
  20 }  // namespace drive_backend
  21 }  // namespace sync_file_system
  22
  23 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_