So far, this includes three tests:
Created attachment 295729 [details]
Created attachment 295789 [details]
Another attempt to observe flaky failures.
*** Bug 172148 has been marked as a duplicate of this bug. ***
scroll-snap-mandatory-mainframe-slow-vertical.html is still flakey.
The scroll snap timer fires on the scrolling thread with the right offset, but the main thread hasn't caught up yet by the time we remove the "scroll snap" reason on the wheel event monitor.
Created attachment 394064 [details]
Comment on attachment 394064 [details]
r=me with the UNUSED_PARAM to fix the iOS build.
Created attachment 394066 [details]
Committed r258753: <https://trac.webkit.org/changeset/258753>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 394066 [details].
*** Bug 209293 has been marked as a duplicate of this bug. ***