Re: [mediacapture-main] MediaDeviceInfo.label and groupId are unnecessarily nullable

I contend that relying on reserving a point from the value space of a 
parameter to designate an exceptional condition is less clear than 
relying on a `null` value.

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GitHub Notif of comment by martinthomson
See 
https://github.com/w3c/mediacapture-main/issues/141#issuecomment-75363196

Received on Saturday, 21 February 2015 09:13:04 UTC