This patch reflects the following change to the Web Animations spec:
abf76745b5
MozReview-Commit-ID: A2GD1igUf5f
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extra : rebase_source : 8129f6386b144adebc3bf0320ca7d6bfbba7a2e9
This implements the changes specified in these three spec changesets:
8efd180bd9f43ecdfbe5a4f1ad1a60
MozReview-Commit-ID: KFhgZ5ip6BA
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extra : rebase_source : aa18f8e3fbcd5d96194ff9a5239a3c415622dc2f
Specifically, for the 'composite' member on keyframes, we now indicate "use the
composite value specified on the effect" using a missing/undefined 'composite'
member as opposed to a null value.
MozReview-Commit-ID: ZH45GvCTlP
--HG--
extra : rebase_source : 5acf081fb844f81280765a87ec019b7847ca1885