Changed to use JSInterop

sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index ffe111fb77f0e229957b7f851b48643dc97fa711..90917bb4590c68b169f6499ab246c4ef211c6fc6 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -3366,6 +3366,7 @@ class CssStyleDeclaration  extends Interceptor with
     return JS('bool', '# in #', propertyName, this);
   }
 
+
   @DomName('CSSStyleDeclaration.setProperty')
   void setProperty(String propertyName, String value, [String priority]) {
     return _setPropertyHelper(_browserPropertyName(propertyName),
@@ -9909,7 +9910,6 @@ class DocumentFragment extends Node implements ParentNode {
     new _FrozenElementList._wrap(_querySelectorAll(selectors));
 
 
-
   String get innerHtml {
     final e = new Element.tag("div");
     e.append(this.clone(true));
@@ -23738,6 +23738,22 @@ class Node extends EventTarget {
     String value = nodeValue;  // Fetch DOM Node property once.
     return value == null ? super.toString() : value;
   }
+
+  /**
+   * A list of this node's children.
+   *
+   * ## Other resources
+   *
+   * * [Node.childNodes]
+   * (https://developer.mozilla.org/en-US/docs/Web/API/Node.childNodes)
+   * from MDN.
+   */
+  @DomName('Node.childNodes')
+  @DocsEditable()
+  @Returns('NodeList')
+  @Creates('NodeList')
+  final List<Node> childNodes;
+
   // To suppress missing implicit constructor warnings.
   factory Node._() { throw new UnsupportedError("Not supported"); }
 
@@ -23795,21 +23811,6 @@ class Node extends EventTarget {
   final String baseUri;
 
   /**
-   * A list of this node's children.
-   *
-   * ## Other resources
-   *
-   * * [Node.childNodes]
-   * (https://developer.mozilla.org/en-US/docs/Web/API/Node.childNodes)
-   * from MDN.
-   */
-  @DomName('Node.childNodes')
-  @DocsEditable()
-  @Returns('NodeList')
-  @Creates('NodeList')
-  final List<Node> childNodes;
-
-  /**
    * The first child of this node.
    *
    * ## Other resources