We might also want to use LineLayout.layout() for preferred width computation at some point.
<rdar://problem/51145484>
Created attachment 370653 [details] Patch
Comment on attachment 370653 [details] Patch Clearing flags on attachment: 370653 Committed r245811: <https://trac.webkit.org/changeset/245811>
All reviewed patches have been landed. Closing bug.