Replaced Element.append with Node.appendChild

tools/dom/templates/html/impl/impl_Element.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;
 
 // TODO(jacobr): use _Lists.dart to remove some of the duplicated
 // functionality.
 class _ChildrenElementList implements List {
   // Raw Element.
@@ skipping 115 matching lines @@
   void operator []=(int index, Element value) {
     _element.$dom_replaceChild(value, _childElements[index]);
   }
 
   void set length(int newLength) {
     // TODO(jacobr): remove children when length is reduced.
     throw new UnsupportedError('');
   }
 
   Element add(Element value) {
-    _element.$dom_appendChild(value);
+    _element.append(value);
     return value;
   }
 
   Element addLast(Element value) => add(value);
 
   Iterator<Element> get iterator => toList().iterator;
 
   void addAll(Iterable<Element> iterable) {
     if (iterable is _ChildNodeListLazy) {
       iterable = new List.from(iterable);
     }
 
     for (Element element in iterable) {
-      _element.$dom_appendChild(element);
+      _element.append(element);
     }
   }
 
   Iterable<Element> get reversed {
     return IterableMixinWorkaround.reversedList(this);
   }
 
   void sort([int compare(Element a, Element b)]) {
     throw new UnsupportedError('TODO(jacobr): should we impl?');
   }
@@ skipping 596 matching lines @@
   int get offsetWidth => offset.width;
 
   @DomName('Element.offsetHeight')
   @DomName('Element.offsetLeft')
   @DomName('Element.offsetTop')
   @DomName('Element.offsetWidth')
   Rect get offset => new Rect($dom_offsetLeft, $dom_offsetTop, $dom_offsetWidth,
       $dom_offsetHeight);
 
   /**
-   * Adds the specified element to after the last child of this element.
-   */
-  void append(Element e) {
-    this.children.add(e);
-  }
-
-  /**
    * Adds the specified text as a text node after the last child of this
    * element.
    */
   void appendText(String text) {
     this.insertAdjacentText('beforeend', text);
   }
 
   /**
    * Parses the specified text as HTML and adds the resulting node after the
    * last child of this element.
@@ skipping 184 matching lines @@
   void _insertAdjacentNode(String where, Node node) {
     switch (where.toLowerCase()) {
       case 'beforebegin':
         this.parentNode.insertBefore(node, this);
         break;
       case 'afterbegin':
         var first = this.nodes.length > 0 ? this.nodes[0] : null;
         this.insertBefore(node, first);
         break;
       case 'beforeend':
-        this.nodes.add(node);
+        this.append(node);
         break;
       case 'afterend':
         this.parentNode.insertBefore(node, this.nextNode);
         break;
       default:
         throw new ArgumentError("Invalid position ${where}");
     }
   }
 
   /**
@@ skipping 167 matching lines @@
   const ScrollAlignment._internal(this._value);
   toString() => 'ScrollAlignment.$_value';
 
   /// Attempt to align the element to the top of the scrollable area.
   static const TOP = const ScrollAlignment._internal('TOP');
   /// Attempt to center the element in the scrollable area.
   static const CENTER = const ScrollAlignment._internal('CENTER');
   /// Attempt to align the element to the bottom of the scrollable area.
   static const BOTTOM = const ScrollAlignment._internal('BOTTOM');
 }