QueryURLRequest  1029 chrome/browser/history/history_backend.cc void HistoryBackend::QueryURL(scoped_refptr<QueryURLRequest> request,
QueryURLRequest   162 chrome/browser/history/history_backend.h   void QueryURL(scoped_refptr<QueryURLRequest> request,
QueryURLRequest   729 chrome/browser/history/history_service.cc                   new history::QueryURLRequest(callback), url, want_visits);