ServiceWorker: Implement updatefound event and version attributes (Chromium)

content/browser/service_worker/service_worker_context_core.h

Index: content/browser/service_worker/service_worker_context_core.h
diff --git a/content/browser/service_worker/service_worker_context_core.h b/content/browser/service_worker/service_worker_context_core.h
index 13a8632f32c0bab2e5d99c8bdd6169520e55d5b4..538537eabc68669ec40e9cdf959447a2b8f8cf2e 100644
--- a/content/browser/service_worker/service_worker_context_core.h
+++ b/content/browser/service_worker/service_worker_context_core.h
@@ -164,8 +164,9 @@ class CONTENT_EXPORT ServiceWorkerContextCore
   std::vector<ServiceWorkerRegistrationInfo> GetAllLiveRegistrationInfo();
   std::vector<ServiceWorkerVersionInfo> GetAllLiveVersionInfo();
 
-  // Returns new context-local unique ID for ServiceWorkerHandle.
+  // Returns new context-local unique ID.
   int GetNewServiceWorkerHandleId();
+  int GetNewRegistrationHandleId();
 
   void ScheduleDeleteAndStartOver() const;
 
@@ -208,6 +209,7 @@ class CONTENT_EXPORT ServiceWorkerContextCore
   std::map<int64, ServiceWorkerRegistration*> live_registrations_;
   std::map<int64, ServiceWorkerVersion*> live_versions_;
   int next_handle_id_;
+  int next_registration_handle_id_;
   scoped_refptr<ObserverListThreadSafe<ServiceWorkerContextObserver> >
       observer_list_;