The pseudo-element was removed in r150876.
Created attachment 439634 [details] Patch
Comment on attachment 439634 [details] Patch Thanks for the review!
Committed r283254 (242283@main): <https://commits.webkit.org/242283@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 439634 [details].
<rdar://problem/83684994>