code: function() {
        var events = this.eventDelegates;
        log.events && (Object.keys(events).length > 0) && console.log('[%s] addHostListeners:', this.localName, events);
        // NOTE: host events look like bindings but really are not;
        // (1) we don't want the attribute to be set and (2) we want to support
        // multiple event listeners ('host' and 'instance') and Node.bind
        // by default supports 1 thing being bound.
        for (var type in events) {
          var methodName = events[type];
          PolymerGestures.addEventListener(this, type, this.element.getEventHandler(this, this, methodName));
        }
      }
docs: event listeners on host