MomentumEventDispatcher curve sometimes doesn't match the system curve
Created attachment 445808 [details] Patch
<rdar://problem/85870287>
Created attachment 445809 [details] Patch
Created attachment 445811 [details] Patch
Committed r286483 (244822@main): <https://commits.webkit.org/244822@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 445811 [details].