AccessibilityController::platformResetToConsistentState() clears the pointer, but the notification handle remains set. This is observable, as accessibility/mac/loaded-notification.html changes the behavior of subsequent accessibility tests.
Created attachment 261605 [details] proposed fix
Comment on attachment 261605 [details] proposed fix Clearing flags on attachment: 261605 Committed r190026: <http://trac.webkit.org/changeset/190026>
All reviewed patches have been landed. Closing bug.