Removed DARTIUM codegen for IDLS (sdk/lib/dartium)

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.
  */
 class _ChildNodeListLazy extends ListBase<Node> implements NodeListWrapper {
   final Node _this;
 
   _ChildNodeListLazy(this._this);
 
 
-$if DART2JS
   Node get first {
     Node result = JS('Node|Null', '#.firstChild', _this);
     if (result == null) throw new StateError("No elements");
     return result;
   }
   Node get last {
     Node result = JS('Node|Null', '#.lastChild', _this);
     if (result == null) throw new StateError("No elements");
     return result;
   }
   Node get single {
     int l = this.length;
     if (l == 0) throw new StateError("No elements");
     if (l > 1) throw new StateError("More than one element");
     return JS('Node|Null', '#.firstChild', _this);
   }
-$else
-  Node get first {
-    Node result = _this.firstChild;
-    if (result == null) throw new StateError("No elements");
-    return result;
-  }
-  Node get last {
-    Node result = _this.lastChild;
-    if (result == null) throw new StateError("No elements");
-    return result;
-  }
-  Node get single {
-    int l = this.length;
-    if (l == 0) throw new StateError("No elements");
-    if (l > 1) throw new StateError("More than one element");
-    return _this.firstChild;
-  }
-$endif
 
   void add(Node value) {
     _this.append(value);
   }
 
   void addAll(Iterable<Node> iterable) {
     if (iterable is _ChildNodeListLazy) {
       _ChildNodeListLazy otherList = iterable;
       if (!identical(otherList._this, _this)) {
         // Optimized route for copying between nodes.
@@ skipping 44 matching lines @@
     var result = this[index];
     if (result != null) {
       _this._removeChild(result);
     }
     return result;
   }
 
   bool remove(Object object) {
     if (object is! Node) return false;
     Node node = object;
-$if JSINTEROP
-    // We aren't preserving identity of nodes in JSINTEROP mode
-    if (_this != node.parentNode) return false;
-$else
     if (!identical(_this, node.parentNode)) return false;
-$endif
     _this._removeChild(node);
     return true;
   }
 
   void _filter(bool test(Node node), bool removeMatching) {
     // This implementation of removeWhere/retainWhere is more efficient
     // than the default in ListBase. Child nodes can be removed in constant
     // time.
     Node child = _this.firstChild;
     while (child != null) {
@@ skipping 61 matching lines @@
 
   Node operator[](int index) => _this.childNodes[index];
 
   List<Node> get rawList => _this.childNodes;
 }
 
 
 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
 
   // Custom element created callback.
-$if DART2JS
   Node._created() : super._created();
-$else
-  Node._created() : super._created();
-$endif
 
   /**
    * A modifiable list of this node's children.
    */
   List<Node> get nodes {
     return new _ChildNodeListLazy(this);
   }
 
   set nodes(Iterable<Node> value) {
     // Copy list first since we don't want liveness during iteration.
@@ skipping 64 matching lines @@
   }
 
   /**
    * Print out a String representation of this Node.
    */
   String toString() {
     String value = nodeValue;  // Fetch DOM Node property once.
     return value == null ? super.toString() : value;
   }
 
-$if DARTIUM
   /**
    * A list of this node's children.
    *
-   * ## Other resources
-   *
-   * * [Node.childNodes](https://developer.mozilla.org/en-US/docs/Web/API/Node.childNodes)
-   *   from MDN.
-   */
-  @DomName('Node.childNodes')
-  @DocsEditable()
-  List<Node> get childNodes => _blink.BlinkNode.instance.childNodes_Getter_(this);
-$else
-  /**
-   * A list of this node's children.
-   *
    * ## Other resources
    *
    * * [Node.childNodes](https://developer.mozilla.org/en-US/docs/Web/API/Node.childNodes)
    *   from MDN.
    */
   @DomName('Node.childNodes')
   @DocsEditable()
   @Returns('NodeList')
   @Creates('NodeList')
   final List<Node> childNodes;
 
-$endif
 $!MEMBERS
 }