testRunner.findString() was changed to call Page::findString() instead of WebPage::findNextString(). Page::findString() doesn't update TextMatch markers. Work-around by calling both Page::findString() and WebPage::findNextString().
Created attachment 173847 [details] patch
Comment on attachment 173847 [details] patch Looks good.
Comment on attachment 173847 [details] patch Clearing flags on attachment: 173847 Committed r134398: <http://trac.webkit.org/changeset/134398>
All reviewed patches have been landed. Closing bug.