web-animations/web-animations-js — pull request #553 by alancutter (2014-02-19 00:33:16+00:00)
Title: Revert "Merge pull request #445 from steveblock/chainedTimingFunctions"

Chained timing functions have been removed from the spec in favour of keyframe specific easing (matching CSS Animations).
Spec meeting: https://etherpad.mozilla.org/ztRZLhJS4g