Re: [notifications-tests] Notifications: update IDL (#5188)

Notifying @chunywang, @ibelem, @sideshowbarker, and @xinliux. *([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/5188#issuecomment-288164233

Received on Tuesday, 21 March 2017 17:54:40 UTC