destroy() {
    var _URL = window.URL || window.webkitURL || window.mozURL;

    for (let fromCache in this.urlCache) {
      _URL.revokeObjectURL(fromCache);
    }

    this.urlCache = {};
    this.removeListeners();
  }
Revoke Temp Url for a achive item
@param  {string} url url of the item in the store