WebPage::pageOverlays() and WebPage::drawPageOverlay() have been removed in r166975. We need to use PageOverlayController now.
Committed r167006: <http://trac.webkit.org/changeset/167006>
It seems webkit-patch land incorrectly closed this bug. This regression is still present.
Created attachment 245437 [details] Patch This brings back the highlighted areas used by the inspector!
Comment on attachment 245437 [details] Patch r=me
Committed r179182: <http://trac.webkit.org/changeset/179182>