Plumb notification action index for desktop SW notificationclick

content/browser/service_worker/service_worker_version.h

Index: content/browser/service_worker/service_worker_version.h
diff --git a/content/browser/service_worker/service_worker_version.h b/content/browser/service_worker/service_worker_version.h
index a1bb88e056e5ebb36673eb9f82ced1ab3694c4bf..36f7f611a39b9ab14feacceb44a7d5adbd212e06 100644
--- a/content/browser/service_worker/service_worker_version.h
+++ b/content/browser/service_worker/service_worker_version.h
@@ -220,7 +220,8 @@ class CONTENT_EXPORT ServiceWorkerVersion
   void DispatchNotificationClickEvent(
       const StatusCallback& callback,
       int64_t persistent_notification_id,
-      const PlatformNotificationData& notification_data);
+      const PlatformNotificationData& notification_data,
+      int action_index);
 
   // Sends push event to the associated embedded worker and asynchronously calls
   // |callback| when it errors out or it gets a response from the worker to