update elements and fix some bugs

lib/iron_media_query.dart

 // DO NOT EDIT: auto-generated with `pub run custom_element_apigen:update`
 
 /// Dart API for the polymer element `iron_media_query`.
 @HtmlImport('iron_media_query_nodart.html')
 library polymer_elements.lib.src.iron_media_query.iron_media_query;
 
 import 'dart:html';
 import 'dart:js' show JsArray, JsObject;
 import 'package:web_components/web_components.dart';
 import 'package:polymer_interop/polymer_interop.dart';
@@ skipping 11 matching lines @@
   factory IronMediaQuery() => new Element.tag('iron-media-query');
 
   /// The CSS media query to evaluate.
   String get mediaQuery => jsElement[r'query'];
   set mediaQuery(String value) { jsElement[r'query'] = value; }
 
   /// The Boolean return value of the media query.
   bool get queryMatches => jsElement[r'queryMatches'];
   set queryMatches(bool value) { jsElement[r'queryMatches'] = value; }
 
-  queryChanged(query) =>
-      jsElement.callMethod('queryChanged', [query]);
+  queryChanged() =>
+      jsElement.callMethod('queryChanged', []);
 
   queryHandler(mq) =>
       jsElement.callMethod('queryHandler', [mq]);
 }