Exposing chrome JS objects to content without __exposedProps__ is insecure and deprecated. See https://developer.mozilla.org/en/XPConnect_wrappers for more information.
Mae agor gwrthrychau chrome JS oi gynnwys heb __exposedProps__ yn anniogel ac anghymeradwy. Gw. https://developer.mozilla.org/en/XPConnect_wrappers am ragor o wybodaeth.