Removing more dom_ methods.

tools/dom/templates/html/impl/impl_Node.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.
 
 part of $LIBRARYNAME;
 
 /**
  * Lazy implementation of the child nodes of an element that does not request
  * the actual child nodes of an element until strictly necessary greatly
  * improving performance for the typical cases where it is not required.
@@ skipping 127 matching lines @@
   }
 
   void clear() {
     _this.text = '';
   }
 
   void operator []=(int index, Node value) {
     _this._replaceChild(value, this[index]);
   }
 
-  Iterator<Node> get iterator => _this.$dom_childNodes.iterator;
+  Iterator<Node> get iterator => _this._childNodes.iterator;
 
   // From List<Node>:
 
   // TODO(jacobr): this could be implemented for child node lists.
   // The exception we throw here is misleading.
   void sort([Comparator<Node> compare]) {
     throw new UnsupportedError("Cannot sort Node list");
   }
 
   // FIXME: implement these.
   void setRange(int start, int end, Iterable<Node> iterable,
                 [int skipCount = 0]) {
     throw new UnsupportedError("Cannot setRange on Node list");
   }
 
   void fillRange(int start, int end, [Node fill]) {
     throw new UnsupportedError("Cannot fillRange on Node list");
   }
   // -- end List<Node> mixins.
 
   // TODO(jacobr): benchmark whether this is more efficient or whether caching
-  // a local copy of $dom_childNodes is more efficient.
-  int get length => _this.$dom_childNodes.length;
+  // a local copy of _childNodes is more efficient.
+  int get length => _this._childNodes.length;
 
   void set length(int value) {
     throw new UnsupportedError(
         "Cannot set length on immutable List.");
   }
 
-  Node operator[](int index) => _this.$dom_childNodes[index];
+  Node operator[](int index) => _this._childNodes[index];
 }
 
 /** Information about the instantiated template. */
 class TemplateInstance {
   // TODO(rafaelw): firstNode & lastNode should be read-synchronous
   // in cases where script has modified the template instance boundary.
 
   /** The first node of this template instantiation. */
   final Node firstNode;
 
@@ skipping 123 matching lines @@
   Map<String, dynamic> get bindings =>
       TemplateElement.mdvPackage(this).bindings;
 
   /** Gets the template instance that instantiated this node, if any. */
   @Experimental()
   TemplateInstance get templateInstance =>
       TemplateElement.mdvPackage(this).templateInstance;
 
 $!MEMBERS
 }