Remove use of PseudoElement in ComputedStyleExtractor
Created attachment 448996 [details] Patch
This is a followup to bug 234987.
Created attachment 449037 [details] Patch for EWS
Created attachment 449080 [details] Patch
Committed r287987 (246016@trunk): <https://commits.webkit.org/246016@trunk>
<rdar://problem/87565054>