Replace all the complex math in ScrollAnimationSmooth with a single call into a CubicBezierTimingFunction
Created attachment 438533 [details] Patch
Created attachment 438547 [details] Patch
Committed r282721 (241858@main): <https://commits.webkit.org/241858@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438547 [details].
<rdar://problem/83266358>