Permissions Policy integration incomplete

[annevk]

It doesn't perform the "is allowed to use" check anywhere.

[marcoscaceres]

so, we had it, but apparently this is covered by the Permission Spec's "request permission to use" algorithm:

#68 (comment)

cc @jyasskin, in case we need to clarify things.

[annevk]

Oh I see, https://www.w3.org/TR/permissions/#reading-current-states ends up looking at it. Interesting.

[marcoscaceres]

Yeah, let us know if that works ok. We can update Permissions or here if needed.

[annevk]

I think that works. There might be some cleanup to be done around settings objects, but that's out-of-scope for this issue. Thanks!