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_ 24
