[Web Animations] Animations do not naturally get a finish event
If an animation is started and plays naturally, without being programatically seeked, to its end time, it does not get a "finish" event, nor does its finished promise get fulfilled.
<rdar://problem/39397649>
Created attachment 337978 [details] Patch
Comment on attachment 337978 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=337978&action=review > LayoutTests/imported/w3c/ChangeLog:11 > + * web-platform-tests/web-animations/timing-model/animations/updating-the-finished-state-expected.txt: Nice.
Comment on attachment 337978 [details] Patch r+ assuming green bots.
Committed r230665: <https://trac.webkit.org/changeset/230665>