'Resets all headers and content for this response.'

def clear(self):

    self._headers = httputil.HTTPHeaders({'Server': ('TornadoServer/%s' % tornado.version), 'Content-Type': 'text/html;    charset=UTF-8', 'Date': httputil.format_timestamp(time.time())})
    self.set_default_headers()
    self._write_buffer = []
    self._status_code = 200
    self._reason = httputil.responses[200]
