Many tests relying on eventSender.monitorWheelEvents() are no longer flaky
Created attachment 393947 [details]
Jacon, if I land this and tests continue to flake, please don't roll out this whole commit; just add tests back to TestExpectations.
Committed r258701: <https://trac.webkit.org/changeset/258701>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 393947 [details].