Exposing chrome JS objects to content without __exposedProps__ is insecure and deprecated. See https://developer.mozilla.org/en/XPConnect_wrappers for more information.
Tá sé contúirteach réada JS chrome a nochtadh d'ábhar gan __exposedProps__ agus ní mholtar é a thuilleadh. Tuilleadh eolais: https://developer.mozilla.org/en/XPConnect_wrappers