Exposing Node.firstChild and Node.lastChild.

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 116b28dfc19ca1a2e022b59ab0224e24c0580572..e51553efc4e5d7ea1e619c649fe10b0c2c25f964 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -16367,8 +16367,7 @@ class _ChildNodeListLazy extends ListBase<Node> {
       if (!identical(otherList._this, _this)) {
         // Optimized route for copying between nodes.
         for (var i = 0, len = otherList.length; i < len; ++i) {
-          // Should use $dom_firstChild, Bug 8886.
-          _this.append(otherList[0]);
+          _this.append(otherList._this.firstChild);
         }
       }
       return;
@@ -16426,7 +16425,7 @@ class _ChildNodeListLazy extends ListBase<Node> {
     // This implementation of removeWhere/retainWhere is more efficient
     // than the default in ListBase. Child nodes can be removed in constant
     // time.
-    Node child = _this.$dom_firstChild;
+    Node child = _this.firstChild;
     while (child != null) {
       Node nextChild = child.nextNode;
       if (test(child) == removeMatching) {
@@ -16544,8 +16543,7 @@ class Node extends EventTarget native "Node" {
 
       // Optimized route for copying between nodes.
       for (var i = 0, len = otherList.length; i < len; ++i) {
-        // Should use $dom_firstChild, Bug 8886.
-        this.insertBefore(otherList[0], refChild);
+        this.insertBefore(otherList._this.firstChild, refChild);
       }
     } else {
       for (var node in newNodes) {
@@ -16642,15 +16640,13 @@ class Node extends EventTarget native "Node" {
   @Creates('NodeList')
   final List<Node> $dom_childNodes;
 
-  @JSName('firstChild')
   @DomName('Node.firstChild')
   @DocsEditable
-  final Node $dom_firstChild;
+  final Node firstChild;
 
-  @JSName('lastChild')
   @DomName('Node.lastChild')
   @DocsEditable
-  final Node $dom_lastChild;
+  final Node lastChild;
 
   @JSName('localName')
   @DomName('Node.localName')
@@ -28065,7 +28061,7 @@ class _Bindings {
       }
     }
 
-    for (var c = node.$dom_firstChild; c != null; c = c.nextNode) {
+    for (var c = node.firstChild; c != null; c = c.nextNode) {
       clone.append(_createDeepCloneAndDecorateTemplates(c, syntax));
     }
     return clone;
@@ -28081,8 +28077,8 @@ class _Bindings {
       // TODO(arv): This should either be a Document or HTMLDocument depending
       // on doc.
       d = doc.implementation.createHtmlDocument('');
-      while (d.$dom_lastChild != null) {
-        d.$dom_lastChild.remove();
+      while (d.lastChild != null) {
+        d.lastChild.remove();
       }
       doc._templateContentsOwner = d;
     }
@@ -28114,7 +28110,7 @@ class _Bindings {
 
     if (!templateElement._isAttributeTemplate) {
       var child;
-      while ((child = templateElement.$dom_firstChild) != null) {
+      while ((child = templateElement.firstChild) != null) {
         content.append(child);
       }
       return;
@@ -28133,7 +28129,7 @@ class _Bindings {
     //
     var newRoot = _cloneAndSeperateAttributeTemplate(templateElement);
     var child;
-    while ((child = templateElement.$dom_firstChild) != null) {
+    while ((child = templateElement.firstChild) != null) {
       newRoot.append(child);
     }
     content.append(newRoot);
@@ -28165,7 +28161,7 @@ class _Bindings {
       _parseAndBind(node, 'text', node.text, model, syntax);
     }
 
-    for (var c = node.$dom_firstChild; c != null; c = c.nextNode) {
+    for (var c = node.firstChild; c != null; c = c.nextNode) {
       _addBindings(c, model, syntax);
     }
   }
@@ -28281,12 +28277,12 @@ class _Bindings {
   }
 
   static void _addTemplateInstanceRecord(fragment, model) {
-    if (fragment.$dom_firstChild == null) {
+    if (fragment.firstChild == null) {
       return;
     }
 
     var instanceRecord = new TemplateInstance(
-        fragment.$dom_firstChild, fragment.$dom_lastChild, model);
+        fragment.firstChild, fragment.lastChild, model);
 
     var node = instanceRecord.firstNode;
     while (node != null) {
@@ -28297,7 +28293,7 @@ class _Bindings {
 
   static void _removeAllBindingsRecursively(Node node) {
     _nodeOrCustom(node).unbindAll();
-    for (var c = node.$dom_firstChild; c != null; c = c.nextNode) {
+    for (var c = node.firstChild; c != null; c = c.nextNode) {
       _removeAllBindingsRecursively(c);
     }
   }
@@ -28387,7 +28383,7 @@ class _TemplateIterator {
 
   void insertInstanceAt(int index, Node fragment) {
     var previousTerminator = getTerminatorAt(index - 1);
-    var terminator = fragment.$dom_lastChild;
+    var terminator = fragment.lastChild;
     if (terminator == null) terminator = previousTerminator;
 
     terminators.insert(index, terminator);