[whatwg/fullscreen] Throw NotAllowedError when not "allowed to request fullscreen" (#97)

Following https://github.com/WICG/web-share/issues/45

https://fullscreen.spec.whatwg.org/#dom-element-requestfullscreen

Here it'll probably be necessary to make *error* either the value to throw or null, instead of a boolean.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/fullscreen/issues/97