Enable new dart:html wrapperless frog bindings and wrapper dartium bindings.

client/dom/templates/html/impl/impl_Element.darttemplate

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // TODO(jacobr): use _Lists.dart to remove some of the duplicated
 // functionality.
 class _ChildrenElementList implements ElementList {
   // Raw Element.
   final _ElementImpl _element;
   final _HTMLCollectionImpl _childElements;
@@ skipping 41 matching lines @@
 
   bool some(bool f(Element element)) {
     for(Element element in this) {
       if (f(element)) {
         return true;
       }
     };
     return false;
   }
 
+  Collection map(f(Element element)) {
+    final out = [];
+    for (Element el in this) {
+      out.add(f(el));
+    }
+    return out;
+  }
+
   bool isEmpty() {
     return _element._firstElementChild == null;
   }
 
   int get length() {
     return _childElements.length;
   }
 
   _ElementImpl operator [](int index) {
     return _childElements[index];
@@ skipping 77 matching lines @@
 // TODO(jacobr): this is an inefficient implementation but it is hard to see
 // a better option given that we cannot quite force NodeList to be an
 // ElementList as there are valid cases where a NodeList JavaScript object
 // contains Node objects that are not Elements.
 class _FrozenElementList implements ElementList {
   final List<Node> _nodeList;
 
   _FrozenElementList._wrap(this._nodeList);
 
   Element get first() {
-    return _nodeList.first;
+    return _nodeList[0];
   }
 
   void forEach(void f(Element element)) {
     for (Element el in this) {
       f(el);
     }
   }
 
   Collection map(f(Element element)) {
     final out = [];
@@ skipping 354 matching lines @@
      return getComputedStyle('');
   }
 
   Future<CSSStyleDeclaration> getComputedStyle(String pseudoElement) {
     return _createMeasurementFuture(() =>
             window._getComputedStyle(this, pseudoElement),
         new Completer<CSSStyleDeclaration>());
   }
 $!MEMBERS
 }