changeVersion 58 Source/modules/webdatabase/Database.h void changeVersion(const String& oldVersion, const String& newVersion, PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback); changeVersion 60 Source/modules/webdatabase/DatabaseSync.h void changeVersion(const String& oldVersion, const String& newVersion, PassOwnPtr<SQLTransactionSyncCallback>, ExceptionState&);