Add [NewObject] and [SameObject] to various interfaces

Source/core/dom/Element.idl

 /*
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 13 matching lines @@
     TypeChecking=Interface,
 ] interface Element : Node {
     readonly attribute DOMString? namespaceURI;
     readonly attribute DOMString? prefix;
     // FIXME: localName/tagName should not be nullable.
     readonly attribute DOMString? localName;
     readonly attribute DOMString? tagName;
 
     [Reflect, ExposeJSAccessors] attribute DOMString id;
     [Reflect=class] attribute DOMString className;
-    [PerWorldBindings] readonly attribute DOMTokenList classList;
+    [SameObject, PerWorldBindings] readonly attribute DOMTokenList classList;
 
     [MeasureAs=HasAttributes] boolean hasAttributes();
-    [PerWorldBindings, ImplementedAs=attributesForBindings] readonly attribute NamedNodeMap attributes;
+    [SameObject, PerWorldBindings, ImplementedAs=attributesForBindings] readonly attribute NamedNodeMap attributes;
     DOMString? getAttribute(DOMString name);
     DOMString? getAttributeNS(DOMString? namespaceURI, DOMString localName);
     [RaisesException, CustomElementCallbacks] void setAttribute(DOMString name, DOMString value);
     [RaisesException, CustomElementCallbacks] void setAttributeNS(DOMString? namespaceURI, DOMString name, DOMString value);
     [CustomElementCallbacks] void removeAttribute(DOMString name);
     [CustomElementCallbacks] void removeAttributeNS(DOMString? namespaceURI, DOMString localName);
     boolean hasAttribute(DOMString name);
     boolean hasAttributeNS(DOMString? namespaceURI, DOMString localName);
 
     [MeasureAs=ElementGetAttributeNode] Attr? getAttributeNode(DOMString name);
@@ skipping 52 matching lines @@
     [ImplementedAs=offsetParentForBindings, PerWorldBindings] readonly attribute Element? offsetParent;
     readonly attribute long offsetTop;
     readonly attribute long offsetLeft;
     readonly attribute long offsetWidth;
     readonly attribute long offsetHeight;
 
     // CSS Object Model (CSSOM)
     // http://dev.w3.org/csswg/cssom/#the-elementcssinlinestyle-interface
     // FIXME: style should be on HTMLElement and SVGElement.
     // FIXME: style should have [PutForwards=cssText].
-    [PerWorldBindings] readonly attribute CSSStyleDeclaration style;
+    [SameObject, PerWorldBindings] readonly attribute CSSStyleDeclaration style;
 
     // HTML
     // https://html.spec.whatwg.org/#htmlelement
     // FIXME: dataset, focus() and blur() should be on HTMLElement.
-    [PerWorldBindings] readonly attribute DOMStringMap dataset;
+    [SameObject, PerWorldBindings] readonly attribute DOMStringMap dataset;
     void focus();
     void blur();
 
     // Non-standard APIs
     // https://www.w3.org/Bugs/Public/show_bug.cgi?id=19962
     [RaisesException, CustomElementCallbacks, MeasureAs=InsertAdjacentElement] Element insertAdjacentElement(DOMString where, Element element);
     [RaisesException, MeasureAs=InsertAdjacentText] void insertAdjacentText(DOMString where, DOMString text);
     [MeasureAs=ElementScrollIntoViewIfNeeded] void scrollIntoViewIfNeeded(optional boolean centerIfNeeded);
     [RaisesException, ImplementedAs=matches, MeasureAs=ElementPrefixedMatchesSelector] boolean webkitMatchesSelector(DOMString selectors);
 
@@ skipping 16 matching lines @@
     [RuntimeEnabled=Touch] attribute EventHandler ontouchcancel;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchend;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchmove;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchstart;
     attribute EventHandler onwheel;
 };
 
 Element implements ParentNode;
 Element implements ChildNode;
 Element implements NonDocumentTypeChildNode;