Bug 153852 fixed touch scrolling but physical keyboard still scrolls.
Created attachment 369279 [details] patch
Created attachment 369284 [details] patch
<rdar://problem/50541453>
Created attachment 369285 [details] patch
Comment on attachment 369285 [details] patch Clearing flags on attachment: 369285 Committed r245016: <https://trac.webkit.org/changeset/245016>
All reviewed patches have been landed. Closing bug.