Oilpan: Enable oilpan for callback classes

Source/modules/notifications/Notification.cpp

Index: Source/modules/notifications/Notification.cpp
diff --git a/Source/modules/notifications/Notification.cpp b/Source/modules/notifications/Notification.cpp
index f0964c3a66a09ebc1a3393f1c2061024cd9fcf24..d2ef64739f2ac192e046659b12ca61db9bf9a784 100644
--- a/Source/modules/notifications/Notification.cpp
+++ b/Source/modules/notifications/Notification.cpp
@@ -159,7 +159,7 @@ const String& Notification::permission(ExecutionContext* context)
     return permissionString(NotificationController::clientFrom(context).checkPermission(context));
 }
 
-void Notification::requestPermission(ExecutionContext* context, PassOwnPtrWillBeRawPtr<NotificationPermissionCallback> callback)
+void Notification::requestPermission(ExecutionContext* context, NotificationPermissionCallback* callback)
 {
     // FIXME: Assert that this code-path will only be reached for Document environments
     // when Blink supports [Exposed] annotations on class members in IDL definitions.