code: function setStylesheetText(url, text, clients) {
          return _send(
              {
                  method: "CSS.setStylesheetText",
                  params: {
                      url: url,
                      text: text
                  }
              }
          );
      }
docs: Protocol method. Reloads a CSS styleseet in the browser (by replacing its text) given its url.
  @param {string} url Absolute URL of the stylesheet
  @param {string} text The new text of the stylesheet
  @param {number|Array.<number>} clients A client ID or array of client IDs that should evaluate
  the script.
  @return {$.Promise} A promise that's resolved with the return value from the first client that responds
  to the evaluation.