Re: [mediacapture-main] Clarify+make fitness distance algorithm agnostic to dictionary member presence.

@alvestrand Had to add more. Can you take another look? This is to allow https://github.com/heycam/webidl/issues/76 removing the invariant that member dictionary members are always present.

This means we have to test for `undefined` (using [present](https://heycam.github.io/webidl/#dfn-present)) and `null` because unions, as I understand it. @bzbarsky ptal.

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Received on Wednesday, 11 July 2018 19:43:46 UTC