  this.removeAttribute('unresolved');

          // Initialize the router.
          this._initRouter(this.$.pages);
        }
      }

      customElements.define(ExpenseAppElement.is, ExpenseAppElement);

      /**
       * @namespace ExpenseManager
       */
      window.ExpenseManager = window.ExpenseManager || {};
      ExpenseManager.ExpenseAppElement = ExpenseAppElement;
    })();
  </script>
</dom-module>
