BackgroundSync sync events need to be ExtendableEvents, content side

content/renderer/service_worker/service_worker_script_context.h

 // Copyright 2014 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_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 52 matching lines @@
   void DidHandleInstallEvent(int request_id,
                              blink::WebServiceWorkerEventResult result);
   void DidHandleFetchEvent(int request_id,
                            ServiceWorkerFetchEventResult result,
                            const ServiceWorkerResponse& response);
   void DidHandleNotificationClickEvent(
       int request_id,
       blink::WebServiceWorkerEventResult result);
   void DidHandlePushEvent(int request_id,
                           blink::WebServiceWorkerEventResult result);
-  void DidHandleSyncEvent(int request_id);
+  void DidHandleSyncEvent(int request_id,
+                          blink::WebServiceWorkerEventResult result);
   void DidHandleCrossOriginConnectEvent(int request_id, bool accept_connection);
   void GetClients(
       const blink::WebServiceWorkerClientQueryOptions& options,
       blink::WebServiceWorkerClientsCallbacks* callbacks);
   void OpenWindow(const GURL& url,
                   blink::WebServiceWorkerClientCallbacks* callbacks);
   void SetCachedMetadata(const GURL& url, const char* data, size_t size);
   void ClearCachedMetadata(const GURL& url);
   void PostMessageToClient(
       const base::string16& uuid,
@@ skipping 98 matching lines @@
   std::map<int, base::TimeTicks> install_start_timings_;
   std::map<int, base::TimeTicks> notification_click_start_timings_;
   std::map<int, base::TimeTicks> push_start_timings_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CONTEXT_H_