Hack to add accessors for WebIDL attributes.

Source/core/html/HTMLElement.idl

Index: Source/core/html/HTMLElement.idl
diff --git a/Source/core/html/HTMLElement.idl b/Source/core/html/HTMLElement.idl
index efc9cebcfcac7da313301c1a2aaf87242aa3d456..e6f7e03583a6e147493d961911eaccb2d569be06 100644
--- a/Source/core/html/HTMLElement.idl
+++ b/Source/core/html/HTMLElement.idl
@@ -21,6 +21,9 @@
 [
     CustomToV8
 ] interface HTMLElement : Element {
+  //attribute DOMString testAttrOnHTMLElement;
+  //[ExposeV8GetterAndSetter] attribute DOMString testAttrOnHTMLElementWithGetterAndSetter;
+
     [Reflect, TreatNullAs=NullString] attribute DOMString title;
     [Reflect, TreatNullAs=NullString] attribute DOMString lang;
     attribute boolean             translate;
@@ -33,7 +36,7 @@
     [Reflect, TreatNullAs=NullString] attribute DOMString accessKey;
 
     // Extensions
-    [TreatNullAs=NullString, CustomElementCallbacks, PerWorldBindings, ActivityLogging=SetterForIsolatedWorlds, SetterRaisesException] attribute DOMString innerHTML;
+    [TreatNullAs=NullString, CustomElementCallbacks, PerWorldBindings, ActivityLogging=SetterForIsolatedWorlds, SetterRaisesException, ExposeV8GetterAndSetter] attribute DOMString innerHTML;
     [TreatNullAs=NullString, CustomElementCallbacks, SetterRaisesException] attribute DOMString innerText;
     [TreatNullAs=NullString, CustomElementCallbacks, SetterRaisesException] attribute DOMString outerHTML;
     [TreatNullAs=NullString, CustomElementCallbacks, SetterRaisesException] attribute DOMString outerText;