to be able differentiate normal inline level box and layout bounds geometries.
Created attachment 412777 [details] Patch
Created attachment 412794 [details] Patch
Created attachment 412814 [details] Patch
Created attachment 412829 [details] Patch
Committed r269225: <https://trac.webkit.org/changeset/269225> All reviewed patches have been landed. Closing bug and clearing flags on attachment 412829 [details].
<rdar://problem/70915477>
*** Bug 218312 has been marked as a duplicate of this bug. ***