Image Capture: add idlharness WPT (#5765)

IDL copy-pasted from
https://w3c.github.io/mediacapture-image/#idl-index

BUG=706434

Review-Url: https://codereview.chromium.org/2847333002
Cr-Commit-Position: refs/heads/master@{#468833}



View on GitHub: https://github.com/w3c/web-platform-tests/pull/5765

Received on Wednesday, 3 May 2017 00:39:37 UTC