After a scroll gesture, content changes don't trigger re-snapping with scroll snap
Created attachment 403845 [details] Patch
<rdar://problem/65257228>
Created attachment 403882 [details] Patch
Created attachment 403884 [details] Patch
Committed r264190: <https://trac.webkit.org/changeset/264190> All reviewed patches have been landed. Closing bug and clearing flags on attachment 403884 [details].