Method replaceState

testing/fake-dom.js:608–615

* @param {?Object} state * @param {?string} title * @param {?string} url * @param {boolean=} opt_fireEvent

(state, title, url, opt_fireEvent)

   * @param {boolean=} opt_fireEvent
   */
  replaceState(state, title, url, opt_fireEvent) {
    const cell = this.stack[this.index];
    cell.state = state ? freeze(state) : null;
    cell.url = url;
    if (opt_fireEvent) {
      this.win.eventListeners.fire({type: 'popstate'});
    }
  }
}

/**