Add [NewObject] and [SameObject] to various interfaces

Source/core/dom/Document.idl

Index: Source/core/dom/Document.idl
diff --git a/Source/core/dom/Document.idl b/Source/core/dom/Document.idl
index 63064e608eb6e8639b45b522b0e470e8084d808c..f6c00071b33316ab5b0a689614b9e5ea4f4ce67a 100644
--- a/Source/core/dom/Document.idl
+++ b/Source/core/dom/Document.idl
@@ -29,7 +29,7 @@ enum VisibilityState { "hidden", "visible", "prerender", "unloaded" };
 
 // 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;
@@ -47,31 +47,27 @@ interface Document : Node {
     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);
@@ -102,12 +98,12 @@ interface Document : Node {
     [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;
 
@@ -143,7 +139,7 @@ interface Document : Node {
 
     // 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;