[Web Animations] getKeyframes() should handle multiple 0% and 100% keyframes
Created attachment 448181 [details] Patch
Created attachment 448185 [details] Patch for landing
Committed r287524 (245659@main): <https://commits.webkit.org/245659@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448185 [details].
<rdar://problem/87054205>
This caused a regression as bug 236838.