Move popular DOM attributes to prototype chains

Source/core/dom/Element.idl

Index: Source/core/dom/Element.idl
diff --git a/Source/core/dom/Element.idl b/Source/core/dom/Element.idl
index 37b547fb39a3b51568e7fb92e9e04dbdcabcf129..04ed1ca7938eb0a396fc50d6d932612acf2fd04d 100644
--- a/Source/core/dom/Element.idl
+++ b/Source/core/dom/Element.idl
@@ -49,7 +49,7 @@ interface Element : Node {
     [PerWorldBindings] readonly attribute CSSStyleDeclaration style;
 
     // DOM4
-    [Reflect] attribute DOMString id;
+    [Reflect, ExposeJSAccessors] attribute DOMString id;
     readonly attribute DOMString? namespaceURI;
     readonly attribute DOMString? prefix;
     readonly attribute DOMString? localName;
@@ -91,7 +91,7 @@ interface Element : Node {
 
     // HTML 5
     HTMLCollection getElementsByClassName(DOMString classNames);
-    [TreatNullAs=NullString, CustomElementCallbacks, RaisesException=Setter] attribute DOMString innerHTML;
+    [TreatNullAs=NullString, CustomElementCallbacks, RaisesException=Setter, ExposeJSAccessors] attribute DOMString innerHTML;
     [TreatNullAs=NullString, CustomElementCallbacks, RaisesException=Setter] attribute DOMString outerHTML;
 
     [RaisesException, CustomElementCallbacks, MeasureAs=InsertAdjacentElement] Element insertAdjacentElement(DOMString where, Element element);