[mithras]

Possibly if someone managed to include it on a page you had already given permission.

I don't know if how you'd sent it somewhere with the same origin policy in place.

[franze]

>Possibly if someone managed to include it on a page you had already given permission.

nope, the "use webcam" permission is per "getUserMedia" call, so 2 getUserMedia calls = 2 allowbar popups.