Morph the APIs for Node, ParentNode, and Element closer to the specs

sky/engine/core/dom/ParentNode.idl

Index: sky/engine/core/dom/ParentNode.idl
diff --git a/sky/engine/core/dom/ParentNode.idl b/sky/engine/core/dom/ParentNode.idl
index c153b32a299a6b8ef4c1e7ed560f8261ce02efb8..519ca5076fae6bf89809a98642fb0705e81cb323 100644
--- a/sky/engine/core/dom/ParentNode.idl
+++ b/sky/engine/core/dom/ParentNode.idl
@@ -1,42 +1,28 @@
-/*
- * Copyright (C) 2013 Samsung Electronics. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 [
-    LegacyTreatAsPartialInterface,
-    NoInterfaceObject, // Always used on target of 'implements'
-] interface ParentNode {
-    readonly attribute Element firstElementChild;
-    readonly attribute Element lastElementChild;
-    readonly attribute unsigned long childElementCount;
+  ImplementedAs=ContainerNode,
+] interface ParentNode : Node {
+  readonly attribute Node firstChild;
+  readonly attribute Node lastChild;
+  readonly attribute Element firstElementChild;
+  readonly attribute Element lastElementChild;
 
-    // NodeSelector - Selector API
-    [RaisesException] Element querySelector(DOMString selectors);
-    [RaisesException] NodeList querySelectorAll(DOMString selectors);
+  sequence<Node> getChildNodes();
+  sequence<Element> getChildElements();
+
+  [RaisesException] void append(sequence<Node> nodes);
+  [RaisesException] Node appendChild(Node nodes);
+  [RaisesException] void prepend(sequence<Node> nodes);
+  [RaisesException] Node prependChild(Node nodes);
+
+  void removeChildren();
+  [RaisesException] Node setChild(Node node);
+  [RaisesException] void setChildren(sequence<Node> nodes);
+
+  // TODO(abarth): Remove when we have the selector object.
+  [RaisesException] Element querySelector(DOMString selectors);
+  [RaisesException] NodeList querySelectorAll(DOMString selectors);
 };