Roll IDL to multivm@1316

modules/notifications/WindowNotifications.idl

Index: modules/notifications/WindowNotifications.idl
diff --git a/modules/notifications/DOMWindowNotifications.idl b/modules/notifications/WindowNotifications.idl
similarity index 84%
rename from modules/notifications/DOMWindowNotifications.idl
rename to modules/notifications/WindowNotifications.idl
index 9fc786583bded1149c1c6a80cd5d0db89280f3d2..7f474e55a63ffcf42a9061023c3196d96b73bc5e 100644
--- a/modules/notifications/DOMWindowNotifications.idl
+++ b/modules/notifications/WindowNotifications.idl
@@ -25,10 +25,9 @@
  */
 
 [
-    Conditional=NOTIFICATIONS|LEGACY_NOTIFICATIONS
-] partial interface DOMWindow {
-#if defined(ENABLE_LEGACY_NOTIFICATIONS) && ENABLE_LEGACY_NOTIFICATIONS
-    [EnabledAtRuntime=notifications, MeasureAs=LegacyNotifications, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds] readonly attribute NotificationCenter webkitNotifications;
-#endif
+    Conditional=NOTIFICATIONS|LEGACY_NOTIFICATIONS,
+    ImplementedAs=DOMWindowNotifications
+] partial interface Window {
+    [EnabledAtRuntime=notifications, MeasureAs=LegacyNotifications, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds, Conditional=LEGACY_NOTIFICATIONS] readonly attribute NotificationCenter webkitNotifications;
 };