Need way to invalidate part of a WKOverlayRef so it will be redrawn
<rdar://problem/8679152>
Created attachment 74143 [details] Patch
Committed r72234: <http://trac.webkit.org/changeset/72234>
http://trac.webkit.org/changeset/72234 might have broken SnowLeopard Intel Release (Tests) The following tests are not passing: fast/blockflow/vertical-font-fallback.html fast/repaint/repaint-across-writing-mode-boundary.html