QueryTopURLsAndRedirectsRequest 1393 chrome/browser/history/history_backend.cc     scoped_refptr<QueryTopURLsAndRedirectsRequest> request,
QueryTopURLsAndRedirectsRequest  179 chrome/browser/history/history_backend.h       scoped_refptr<QueryTopURLsAndRedirectsRequest> request,
QueryTopURLsAndRedirectsRequest  834 chrome/browser/history/history_service.cc       consumer, new history::QueryTopURLsAndRedirectsRequest(callback),