Updated to Chrome 45 (2454) moved from SVN to git.

core/dom/DOMTokenList.idl

Index: core/dom/DOMTokenList.idl
diff --git a/core/dom/DOMTokenList.idl b/core/dom/DOMTokenList.idl
index 19476405d8d77862dbd48e5a7d93635425d814fa..1293203c498ea8096609ea9927926222f1174fb6 100644
--- a/core/dom/DOMTokenList.idl
+++ b/core/dom/DOMTokenList.idl
@@ -22,17 +22,19 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// https://dom.spec.whatwg.org/#interface-domtokenlist
+
 [
     SetWrapperReferenceFrom=element,
     WillBeGarbageCollected,
 ] interface DOMTokenList {
     readonly attribute unsigned long length;
-    [TreatReturnedNullStringAs=Null] getter DOMString item(unsigned long index);
+    getter DOMString? item(unsigned long index);
     [RaisesException] boolean contains(DOMString token);
     [RaisesException, CustomElementCallbacks] void add(DOMString... tokens);
     [RaisesException, CustomElementCallbacks] void remove(DOMString... tokens);
     [RaisesException, CustomElementCallbacks] boolean toggle(DOMString token, optional boolean force);
-
+    // FIXME: stringifier should be enumerable.
     [NotEnumerable] stringifier;
+    iterable<DOMString>;
 };
-