[mediacapture-image] Use required keyword in get-only dictionaries where appropriate. (#239)

jan-ivar has just created a new issue for https://github.com/w3c/mediacapture-image:

== Use required keyword in get-only dictionaries where appropriate. ==
While reviewing https://github.com/w3c/mediacapture-image/pull/238#discussion_r460169005 I realized mediacapture main doesn't use `required` as I just recommended. Will add PR.

Please view or discuss this issue at https://github.com/w3c/mediacapture-image/issues/239 using your GitHub account

Received on Friday, 24 July 2020 17:14:51 UTC