CancelOnce         18 chrome/browser/download/download_request_infobar_delegate.cc     host_->CancelOnce();
CancelOnce         21 chrome/browser/download/download_request_infobar_delegate_unittest.cc   virtual void CancelOnce() OVERRIDE;
CancelOnce        127 chrome/browser/download/download_request_limiter.h     virtual void CancelOnce();