Don't put private members in dart:html interfaces.

client/html/generated/html/interface/Node.dart

Index: client/html/generated/html/interface/Node.dart
diff --git a/client/html/generated/html/interface/Node.dart b/client/html/generated/html/interface/Node.dart
index 306bd255c590130cfa648a0142c39e3bd2970fc9..bef591d9216b9216f0005b282e4929680e6022e2 100644
--- a/client/html/generated/html/interface/Node.dart
+++ b/client/html/generated/html/interface/Node.dart
@@ -50,10 +50,6 @@ interface Node extends EventTarget {
 
   static final int TEXT_NODE = 3;
 
-  final NamedNodeMap _attributes;
-
-  final NodeList _childNodes;
-
   final Node nextNode;
 
   final Document document;
@@ -64,8 +60,6 @@ interface Node extends EventTarget {
 
   String text;
 
-  Node _appendChild(Node newChild);
-
   Node clone(bool deep);
 
   bool contains(Node other);
@@ -74,8 +68,4 @@ interface Node extends EventTarget {
 
   Node insertBefore(Node newChild, Node refChild);
 
-  Node _removeChild(Node oldChild);
-
-  Node _replaceChild(Node newChild, Node oldChild);
-
 }