Re: [mediacapture-region] Can the MediaStreamTrack list its cropping regions directly? (#6)

> > This token is only visible to trusted parties, i.e. the top level frames or frames that are deemed capturing in the name of the top level frame. I think this gives a good enough story.
> 
> It's a credible story only so long as we don't try to reuse this mechanism for cropping non-own-tabs.

I was answering for the case of self tabs and creator of the region not providing any origin restriction.
The creator of the region can decide which origins can learn about the region.

That said, I am not sure I like it since it is yet another hole in our partitioning client rules.
While calling getDisplayMedia on a tab is breaking partitioning client rules, it seems desirable to limit this hole in terms of API .

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Received on Wednesday, 26 January 2022 10:17:26 UTC