Re: [dom-tests][html-tests][xhr-tests] Start centralizing IDLs to reduce duplication and errors (#5666)

Notifying @Manishearth, @annevk, @caitp, @emilio, @hallvors, @ibelem, @jdm, @jungkees, @kangxu, @mathiasbynens, @ronkorving, @wisniewskit, @zcorpan, and @zqzhang. *([Learn how reviewing works](https://github.com/w3c/web-platform-tests/blob/master/README.md#test-review).)*

View on GitHub: https://github.com/w3c/web-platform-tests/pull/5666#issuecomment-296718181

Received on Monday, 24 April 2017 15:58:23 UTC