[mediacapture-image] Pull Request: Use Promise-based MediaDevices.gUM() + cosmetic fixes

dandv has just submitted a new pull request for 
https://github.com/w3c/mediacapture-image:

== Use Promise-based MediaDevices.gUM() + cosmetic fixes ==
...also made the whitespace indent consistent (4 spaces). Fix #56.

See https://github.com/w3c/mediacapture-image/pull/57

Received on Wednesday, 7 September 2016 00:26:58 UTC