Re: [custom-elements-tests] Import tests for custom element reactions from WebKit. (#3835)

Let's get this merged.
`new Document` is being discussed for Blink, but not a blocker for merging this.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/3835#issuecomment-250389078

Received on Thursday, 29 September 2016 07:14:40 UTC