Add [NewObject] and [SameObject] to various interfaces

Source/core/dom/Document.idl

 /*
  * Copyright (C) 2006, 2007, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006, 2007 Samuel Weinig <sam@webkit.org>
  *
  * 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 11 matching lines @@
 
 typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext;
 
 // http://www.w3.org/TR/page-visibility/#VisibilityState
 enum VisibilityState { "hidden", "visible", "prerender", "unloaded" };
 
 // https://dom.spec.whatwg.org/#interface-document
 
 // FIXME: Document should have a constructor.
 interface Document : Node {
-    readonly attribute DOMImplementation implementation;
+    [SameObject] readonly attribute DOMImplementation implementation;
     readonly attribute DOMString URL;
     // FIXME: documentURI should not be nullable.
     [ImplementedAs=url] readonly attribute DOMString? documentURI;
     readonly attribute DOMString origin;
     readonly attribute DOMString compatMode;
     // FIXME: characterSet should not be nullable.
     readonly attribute DOMString? characterSet;
     // FIXME: inputEncoding should not be nullable.
     [MeasureAs=DocumentInputEncoding, ImplementedAs=characterSet] readonly attribute DOMString? inputEncoding; // legacy alias of .characterSet
     readonly attribute DOMString contentType;
 
     readonly attribute DocumentType? doctype;
     readonly attribute Element? documentElement;
     HTMLCollection getElementsByTagName(DOMString localName);
     HTMLCollection getElementsByTagNameNS(DOMString? namespaceURI, DOMString localName);
     HTMLCollection getElementsByClassName(DOMString classNames);
 
-    [CustomElementCallbacks, PerWorldBindings, RaisesException] Element createElement(DOMString localName);
-    [CustomElementCallbacks, RaisesException] Element createElementNS(DOMString? namespaceURI, DOMString qualifiedName);
-    DocumentFragment createDocumentFragment();
-    Text createTextNode(DOMString data);
-    Comment createComment(DOMString data);
-    [RaisesException] ProcessingInstruction createProcessingInstruction(DOMString target, DOMString data);
+    [NewObject, CustomElementCallbacks, PerWorldBindings, RaisesException] Element createElement(DOMString localName);
+    [NewObject, CustomElementCallbacks, RaisesException] Element createElementNS(DOMString? namespaceURI, DOMString qualifiedName);
+    [NewObject] DocumentFragment createDocumentFragment();
+    [NewObject] Text createTextNode(DOMString data);
+    [NewObject] Comment createComment(DOMString data);
+    [NewObject, RaisesException] ProcessingInstruction createProcessingInstruction(DOMString target, DOMString data);
 
-    [CustomElementCallbacks, RaisesException, TypeChecking=Interface] Node importNode(Node node, optional boolean deep = false);
+    [NewObject, CustomElementCallbacks, RaisesException, TypeChecking=Interface] Node importNode(Node node, optional boolean deep = false);
     [RaisesException, CustomElementCallbacks, TypeChecking=Interface] Node adoptNode(Node node);
 
-    [RaisesException, MeasureAs=DocumentCreateAttribute] Attr createAttribute(DOMString localName);
+    [NewObject, RaisesException, MeasureAs=DocumentCreateAttribute] Attr createAttribute(DOMString localName);
     // FIXME: qualifiedName should not be nullable.
-    [RaisesException, MeasureAs=DocumentCreateAttributeNS] Attr createAttributeNS(DOMString? namespaceURI, DOMString? qualifiedName);
+    [NewObject, RaisesException, MeasureAs=DocumentCreateAttributeNS] Attr createAttributeNS(DOMString? namespaceURI, DOMString? qualifiedName);
 
-    [RaisesException] Event createEvent(DOMString eventType);
+    [NewObject, RaisesException] Event createEvent(DOMString eventType);
 
-    Range createRange();
+    [NewObject] Range createRange();
 
     // NodeFilter.SHOW_ALL = 0xFFFFFFFF
-    [RaisesException, TypeChecking=Interface] NodeIterator createNodeIterator(Node root,
-                                                                              optional unsigned long whatToShow = 0xFFFFFFFF,
-                                                                              optional NodeFilter? filter = null);
-    [RaisesException, TypeChecking=Interface] TreeWalker createTreeWalker(Node root,
-                                                                          optional unsigned long whatToShow = 0xFFFFFFFF,
-                                                                          optional NodeFilter? filter = null);
+    [NewObject, RaisesException, TypeChecking=Interface] NodeIterator createNodeIterator(Node root, optional unsigned long whatToShow = 0xFFFFFFFF, optional NodeFilter? filter = null);
+    [NewObject, RaisesException, TypeChecking=Interface] TreeWalker createTreeWalker(Node root, optional unsigned long whatToShow = 0xFFFFFFFF, optional NodeFilter? filter = null);
 
     // FIXME: CDATASection has been removed from the spec. crbug.com/437205
     [RaisesException, MeasureAs=DocumentCreateCDATASection] CDATASection createCDATASection(DOMString data);
 
     // FIXME: xmlEncoding/xmlVersion/xmlStandalone have been removed from the spec.
     [MeasureAs=DocumentXMLEncoding] readonly attribute DOMString? xmlEncoding;
     [RaisesException=Setter, MeasureAs=DocumentXMLVersion] attribute DOMString? xmlVersion;
     [RaisesException=Setter, MeasureAs=DocumentXMLStandalone] attribute boolean xmlStandalone;
 
     // HTML
@@ skipping 10 matching lines @@
     // FIXME: readyState should use the enum DocumentReadyState.
     // FIXME: readyState should not have [TreatReturnedNullStringAs=Undefined].
     [TreatReturnedNullStringAs=Undefined] readonly attribute DOMString readyState;
 
     // DOM tree accessors
     // FIXME: title and dir should not have [TreatNullAs=NullString].
     [TreatNullAs=NullString, CustomElementCallbacks] attribute DOMString title;
     [TreatNullAs=NullString, CustomElementCallbacks] attribute DOMString dir;
     [RaisesException=Setter, CustomElementCallbacks, PerWorldBindings, TypeChecking=Interface, ExposeJSAccessors] attribute HTMLElement? body;
     readonly attribute HTMLHeadElement? head;
-    readonly attribute HTMLCollection images;
-    readonly attribute HTMLCollection embeds;
-    [ImplementedAs=embeds] readonly attribute HTMLCollection plugins;
-    readonly attribute HTMLCollection links;
-    readonly attribute HTMLCollection forms;
-    readonly attribute HTMLCollection scripts;
+    [SameObject] readonly attribute HTMLCollection images;
+    [SameObject] readonly attribute HTMLCollection embeds;
+    [SameObject, ImplementedAs=embeds] readonly attribute HTMLCollection plugins;
+    [SameObject] readonly attribute HTMLCollection links;
+    [SameObject] readonly attribute HTMLCollection forms;
+    [SameObject] readonly attribute HTMLCollection scripts;
     [PerWorldBindings] NodeList getElementsByName(DOMString elementName);
     readonly attribute HTMLScriptElement? currentScript;
 
     // dynamic markup insertion
     // FIXME: open(), close(), write() and writeln() are on HTMLDocument.
 
     // user interaction
     [ImplementedAs=domWindow] readonly attribute Window? defaultView;
     readonly attribute Element? activeElement;
     boolean hasFocus();
@@ skipping 15 matching lines @@
 
     // FIXME: *Color are on HTMLDocument.
 
     readonly attribute HTMLCollection anchors;
     readonly attribute HTMLCollection applets;
 
     // FIXME: clear(), captureEvents(), releaseEvents() and all are on HTMLDocument.
 
     // CSS Object Model (CSSOM)
     // http://dev.w3.org/csswg/cssom/#extensions-to-the-document-interface
-    readonly attribute StyleSheetList styleSheets;
+    [SameObject] readonly attribute StyleSheetList styleSheets;
     attribute DOMString? selectedStylesheetSet;
     readonly attribute DOMString? preferredStylesheetSet;
 
     // CSSOM View Module
     // http://dev.w3.org/csswg/cssom-view/#extensions-to-the-document-interface
     // FIXME: The x and y arguments should be of type double.
     Element? elementFromPoint(long x, long y);
     sequence<Element> elementsFromPoint(long x, long y);
 
     // Selection API
@@ skipping 67 matching lines @@
     attribute EventHandler onsearch;
     [RuntimeEnabled=ExperimentalContentSecurityPolicyFeatures] attribute EventHandler onsecuritypolicyviolation;
     attribute EventHandler onselectionchange;
     attribute EventHandler onselectstart;
     attribute EventHandler onwheel;
 };
 
 Document implements GlobalEventHandlers;
 Document implements ParentNode;
 Document implements NonElementParentNode;