code: function(options) {
  		var length = this.promises.length,
  			last = this.promises[length - 1];
  		if (length && last) {
  			last.rqMethod = function(scraper, url) {
  				options.uri = url;
  				scraper.request(options);
  			};
  			return this;
  		} else {
  			throw new ScraperError('');
  		}
  	}
docs: Sets the request method to be according to the options.
  {@see AbstractScraper.request}
  
  @param  {!Object} options Request options.
  @return {!Router} This router.
  @public