code: function(obj, method, args) {
        if (obj) {
          log.events && console.group('[%s] dispatch [%s]', obj.localName, method);
          var fn = typeof method === 'function' ? method : obj[method];
          if (fn) {
            fn[args ? 'apply' : 'call'](obj, args);
          }
          log.events && console.groupEnd();
          // NOTE: dirty check right after calling method to ensure 
          // changes apply quickly; in a very complicated app using high 
          // frequency events, this can be a perf concern; in this case,
          // imperative handlers can be used to avoid flushing.
          Polymer.flush();
        }
      }
docs: call 'method' or function method on 'obj' with 'args', if the method exists