[web-animations] counter-reset should support discrete animation
Created attachment 454219 [details] Patch
This patch won't build until the fix for 237640 lands.
Created attachment 454316 [details] Patch for landing
Committed r291099 (248261@main): <https://commits.webkit.org/248261@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 454316 [details].
<rdar://problem/90089519>