Cleaner and more correct fix for _ChildrenNodeList#forEach.

client/html/release/htmlimpl.dart

Index: client/html/release/htmlimpl.dart
diff --git a/client/html/release/htmlimpl.dart b/client/html/release/htmlimpl.dart
index 13dc71d298c18f4d6942442281459ac2babd1a70..64ec2916bdb15650d21860e1afa1257bd08e923d 100644
--- a/client/html/release/htmlimpl.dart
+++ b/client/html/release/htmlimpl.dart
@@ -23890,11 +23890,7 @@ class _ChildrenNodeList implements NodeList {
     return LevelDom.wrapNode(_node.firstChild);
   }
 
-  void forEach(void f(Node element)) {
-    for (int i = 0, len = _childNodes.length; i < len; i++) {
-      f(LevelDom.wrapNode(_childNodes[i]));
-    }
-  }
+  void forEach(void f(Node element)) => _toList().forEach(f);
 
   Collection<Node> filter(bool f(Node element)) {
     List<Node> output = new List<Node>();