Re: [web-animations-tests] Make StyleAnimationValue::Accumulate() infallible. (#4436)

Notifying @birtles. *([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/4436#issuecomment-270144823

Received on Tuesday, 3 January 2017 15:48:24 UTC