Re: [mediacapture-region] Refer to getBoundingClientRect as a defintion of the actual crop area (#32)

> ```
> Let <var>element</var> be the Element from which CropTarget was constructed.
> ```

"Let" implies strong reference. Cross-process this messes with GC. We need something to serialize, either in this PR or the other.

It follows that what we serialize must be a "weak reference" (i.e. not strong). Since this will most certainly be an id in any implementation, "identifier" or "key" would also work, but then we should mention the UA must use a weak map to implement the mapping.

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Received on Monday, 28 March 2022 13:25:29 UTC