BackgroundSync sync events need to be ExtendableEvents, content side

content/browser/service_worker/service_worker_version.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include <map>
 #include <queue>
 #include <set>
@@ skipping 398 matching lines @@
   void OnGetClients(int request_id,
                     const ServiceWorkerClientQueryOptions& options);
 
   void OnActivateEventFinished(int request_id,
                                blink::WebServiceWorkerEventResult result);
   void OnInstallEventFinished(int request_id,
                               blink::WebServiceWorkerEventResult result);
   void OnFetchEventFinished(int request_id,
                             ServiceWorkerFetchEventResult result,
                             const ServiceWorkerResponse& response);
-  void OnSyncEventFinished(int request_id);
+  void OnSyncEventFinished(int request_id,
+                           blink::WebServiceWorkerEventResult result);
   void OnNotificationClickEventFinished(int request_id);
   void OnPushEventFinished(int request_id,
                            blink::WebServiceWorkerEventResult result);
   void OnGeofencingEventFinished(int request_id);
   void OnCrossOriginConnectEventFinished(int request_id,
                                          bool accept_connection);
   void OnOpenWindow(int request_id, GURL url);
   void DidOpenWindow(int request_id,
                      int render_process_id,
                      int render_frame_id);
@@ skipping 138 matching lines @@
   scoped_ptr<Metrics> metrics_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_