Exposing chrome JS objects to content without __exposedProps__ is insecure and deprecated. See https://developer.mozilla.org/en/XPConnect_wrappers for more information.
Chrome JS objektu atklāšana saturam bez __exposedProps__ nav droša un ir novecojusi. Papildus informācija https://developer.mozilla.org/en/XPConnect_wrappers\u0020