Re: [web-animations-tests] Change gCSSProperties structure to be reused for other procedures. (#4475)

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/4475#issuecomment-270148109

Received on Tuesday, 3 January 2017 16:00:39 UTC