Support 'Conditional' idl attribute.

client/dom/generated/src/wrapping/_HTMLElementWrappingImplementation.dart

 // Copyright (c) 2011, 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.
 
 // WARNING: Do not edit - generated code.
 
 class _HTMLElementWrappingImplementation extends _ElementWrappingImplementation implements HTMLElement {
   _HTMLElementWrappingImplementation() : super() {}
 
   static create__HTMLElementWrappingImplementation() native {
@@ skipping 56 matching lines @@
 
   String get innerText() { return _get_innerText(this); }
   static String _get_innerText(var _this) native;
 
   void set innerText(String value) { _set_innerText(this, value); }
   static void _set_innerText(var _this, String value) native;
 
   bool get isContentEditable() { return _get_isContentEditable(this); }
   static bool _get_isContentEditable(var _this) native;
 
-  String get itemId() { return _get_itemId(this); }
-  static String _get_itemId(var _this) native;
-
-  void set itemId(String value) { _set_itemId(this, value); }
-  static void _set_itemId(var _this, String value) native;
-
-  DOMSettableTokenList get itemProp() { return _get_itemProp(this); }
-  static DOMSettableTokenList _get_itemProp(var _this) native;
-
-  DOMSettableTokenList get itemRef() { return _get_itemRef(this); }
-  static DOMSettableTokenList _get_itemRef(var _this) native;
-
-  bool get itemScope() { return _get_itemScope(this); }
-  static bool _get_itemScope(var _this) native;
-
-  void set itemScope(bool value) { _set_itemScope(this, value); }
-  static void _set_itemScope(var _this, bool value) native;
-
-  DOMSettableTokenList get itemType() { return _get_itemType(this); }
-  static DOMSettableTokenList _get_itemType(var _this) native;
-
-  Object get itemValue() { return _get_itemValue(this); }
-  static Object _get_itemValue(var _this) native;
-
-  void set itemValue(Object value) { _set_itemValue(this, value); }
-  static void _set_itemValue(var _this, Object value) native;
-
   String get lang() { return _get_lang(this); }
   static String _get_lang(var _this) native;
 
   void set lang(String value) { _set_lang(this, value); }
   static void _set_lang(var _this, String value) native;
 
   String get outerHTML() { return _get_outerHTML(this); }
   static String _get_outerHTML(var _this) native;
 
   void set outerHTML(String value) { _set_outerHTML(this, value); }
@@ skipping 41 matching lines @@
   static void _insertAdjacentHTML(receiver, where, html) native;
 
   void insertAdjacentText(String where, String text) {
     _insertAdjacentText(this, where, text);
     return;
   }
   static void _insertAdjacentText(receiver, where, text) native;
 
   String get typeName() { return "HTMLElement"; }
 }