Line::Content is really just a list of runs at this point.
<rdar://problem/55757187>
Created attachment 379677 [details] Patch
Created attachment 379706 [details] Patch
Comment on attachment 379706 [details] Patch Clearing flags on attachment: 379706 Committed r250411: <https://trac.webkit.org/changeset/250411>
All reviewed patches have been landed. Closing bug.