Re: [service-workers-tests] Add mattto to OWNERS. (#5059)

Notifying @ehsan and @mkruisselbrink. *([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/5059#issuecomment-284627312

Received on Tuesday, 7 March 2017 05:40:32 UTC