Exposing chrome JS objects to content without __exposedProps__ is insecure and deprecated. See https://developer.mozilla.org/en/XPConnect_wrappers for more information.
Asiher n tɣawsiwin JS chrome ɣeṛ ugbur war __exposedProps__ d araɣelsan u yezri. Wali https://developer.mozilla.org/en/XPConnect_wrappers i wugar n telɣut.