IDBMutableFile.open() is deprecated. If this API gets standardized, it will likely do so under the Origin Private File System effort at https://bugzil.la/1748667.
Zaharkituta dago IDBDatabase.open(). API hau estandarizatuko balitz, ziurrenik Origin Private File System esfortzuaren barne izango litzateke: https://bugzil.la/1748667.