Simplify WheelEventDeltaFilter, and filter deltas for all wheel phases
Created attachment 442922 [details] Patch
Created attachment 443375 [details] Patch
Comment on attachment 443375 [details] Patch r=mews
Created attachment 443474 [details] Patch
Committed r285367 (243925@main): <https://commits.webkit.org/243925@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 443474 [details].
<rdar://problem/85097082>