Method sortInDomOrder_

src/service/fixed-layer.js:768–772

* @private

()

   * @private
   */
  sortInDomOrder_() {
    this.elements_.sort((fe1, fe2) => {
      return domOrderComparator(fe1.element, fe2.element);
    });
  }

  /**
   * Mutates the fixed/sticky element. At this point it's determined that the