Add ServiceWorkerVersion::status() (which is to be persisted unlike running status)

content/browser/service_worker/service_worker_storage.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_STORAGE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_
 
 #include <map>
 
 #include "base/bind.h"
@@ skipping 38 matching lines @@
   // conflicting registration (which has different script_url) is
   // already registered for the |registration|->pattern().
   void StoreRegistration(ServiceWorkerRegistration* registration,
                          const StatusCallback& callback);
 
   // Deletes |registration|. This may return SERVICE_WORKER_ERROR_NOT_FOUND
   // if no matching registration is found.
   void DeleteRegistration(const GURL& pattern,
                           const StatusCallback& callback);
 
-  // Returns new registration ID which is guaranteed to be unique in
-  // the storage.
+  // Returns new IDs which are guaranteed to be unique in the storage.
   int64 NewRegistrationId();
+  int64 NewVersionId();
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerStorageTest, PatternMatches);
 
   typedef std::map<GURL, scoped_refptr<ServiceWorkerRegistration> >
       PatternToRegistrationMap;
 
   static bool PatternMatches(const GURL& pattern, const GURL& script_url);
 
   // This is the in-memory registration. Eventually the registration will be
   // persisted to disk.
   PatternToRegistrationMap registration_by_pattern_;
 
   int last_registration_id_;
+  int last_version_id_;
 
   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
   base::FilePath path_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerStorage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_