[Background Sync] Sent sync registration details to worker

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 e9f258f143b2f289795dc5474817767149267bf2..9177a0c4c078c6ced66d470937ad64c8b2381e5e 100644
--- a/content/browser/service_worker/service_worker_version.h
+++ b/content/browser/service_worker/service_worker_version.h
@@ -207,7 +207,8 @@ class CONTENT_EXPORT ServiceWorkerVersion
   // notify completion.
   //
   // This must be called when the status() is ACTIVATED.
-  void DispatchSyncEvent(const StatusCallback& callback);
+  void DispatchSyncEvent(SyncRegistrationPtr registration,
+                         const StatusCallback& callback);
 
   // Sends notificationclick event to the associated embedded worker and
   // asynchronously calls |callback| when it errors out or it gets a response