Roll IDL to multivm@910, Take #2

third_party/WebCore/Modules/notifications/DOMWindowNotifications.idl

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 module window {
 
     interface [
         Conditional=NOTIFICATIONS|LEGACY_NOTIFICATIONS,
         Supplemental=DOMWindow
     ] DOMWindowNotifications {
 #if defined(ENABLE_LEGACY_NOTIFICATIONS) && ENABLE_LEGACY_NOTIFICATIONS
-        readonly attribute [V8EnabledAtRuntime] NotificationCenter webkitNotifications;
+        readonly attribute [V8EnabledAtRuntime, V8MeasureAs=LegacyNotifications] NotificationCenter webkitNotifications;
 #endif
 #if defined(ENABLE_NOTIFICATIONS) && ENABLE_NOTIFICATIONS
         attribute NotificationConstructor Notification;
 #endif
     };
 
 }