ServiceWorker: Make ServiceWorkerStorage more self-defensive

content/browser/service_worker/service_worker_context_watcher.h

 // Copyright 2015 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_CONTEXT_WATCHER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WATCHER_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 29 matching lines @@
       const WorkerErrorReportedCallback& error_callback);
   void Start();
   void Stop();
 
  private:
   friend class base::RefCountedThreadSafe<ServiceWorkerContextWatcher>;
   ~ServiceWorkerContextWatcher() override;
 
   void GetStoredRegistrationsOnIOThread();
   void OnStoredRegistrationsOnIOThread(
+      ServiceWorkerStatusCode status,
       const std::vector<ServiceWorkerRegistrationInfo>& stored_registrations);
   void StopOnIOThread();
 
   void StoreRegistrationInfo(
       const ServiceWorkerRegistrationInfo& registration,
       base::ScopedPtrHashMap<int64_t,
                              scoped_ptr<ServiceWorkerRegistrationInfo>>*
           info_map);
   void StoreVersionInfo(const ServiceWorkerVersionInfo& version);
 
@@ skipping 45 matching lines @@
       version_info_map_;
   scoped_refptr<ServiceWorkerContextWrapper> context_;
   WorkerRegistrationUpdatedCallback registration_callback_;
   WorkerVersionUpdatedCallback version_callback_;
   WorkerErrorReportedCallback error_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WATCHER_H_