Added new version of reduce.

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

Index: tools/dom/templates/html/impl/impl_Element.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_Element.darttemplate b/tools/dom/templates/html/impl/impl_Element.darttemplate
index bd15590cd7e85bcff2febcaebe65ab189df8f3d5..a7f305d56b959aa22a55b18c2b44216e56a8922c 100644
--- a/tools/dom/templates/html/impl/impl_Element.darttemplate
+++ b/tools/dom/templates/html/impl/impl_Element.darttemplate
@@ -157,9 +157,8 @@ class _ChildrenElementList extends ListBase<Element> {
     throw new UnsupportedError('TODO(jacobr): should we impl?');
   }
 
-  dynamic reduce(dynamic initialValue,
-      dynamic combine(dynamic previousValue, Element element)) {
-    return _childElements.reduce(initialValue, combine);
+  Element reduce(Element combine(Element value, Element element)) {
+    return _childElements.reduce(combine);
   }
 
   dynamic fold(dynamic initialValue,
@@ -272,14 +271,6 @@ class _ChildrenElementList extends ListBase<Element> {
     return first;
   }
 
-  Element min([int compare(Element a, Element b)]) {
-    return _childElements.min(compare);
-  }
-
-  Element max([int compare(Element a, Element b)]) {
-    return _childElements.max(compare);
-  }
-
   Map<int, Element> asMap() {
     return _childElements.asMap();
   }