web-animations/web-animations-next — pull request #262 by rasteiner (2014-12-08 17:14:51+00:00)
Title: android 4.3 has no performance.now

I know that android 4.3 isn't supported, but this easy fix actually makes web-animations-next somewhat work on 4.3. (when provided with an additional `requestAnimationFrame` polyfill).