ServiceWorker: Update the install sequence as per the latest spec

content/browser/service_worker/service_worker_registration.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_REGISTRATION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_H_
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
@@ skipping 21 matching lines @@
   class Listener {
    public:
     virtual void OnVersionAttributesChanged(
         ServiceWorkerRegistration* registration,
         ChangedVersionAttributesMask changed_mask,
         const ServiceWorkerRegistrationInfo& info) {}
     virtual void OnRegistrationFailed(
         ServiceWorkerRegistration* registration) {}
     virtual void OnRegistrationFinishedUninstalling(
         ServiceWorkerRegistration* registration) {}
+    virtual void OnUpdateFound(
+        ServiceWorkerRegistration* registration) {}
   };
 
   ServiceWorkerRegistration(const GURL& pattern,
                             int64 registration_id,
                             base::WeakPtr<ServiceWorkerContextCore> context);
 
   int64 id() const { return registration_id_; }
   const GURL& pattern() const { return pattern_; }
 
   bool is_deleted() const { return is_deleted_; }
@@ skipping 11 matching lines @@
 
   ServiceWorkerVersion* installing_version() const {
     return installing_version_.get();
   }
 
   ServiceWorkerVersion* GetNewestVersion() const;
 
   void AddListener(Listener* listener);
   void RemoveListener(Listener* listener);
   void NotifyRegistrationFailed();
+  void NotifyUpdateFound();
 
   ServiceWorkerRegistrationInfo GetInfo();
 
   // Sets the corresposding version attribute and resets the position
   // (if any) left vacant (ie. by a waiting version being promoted).
   // Also notifies listeners via OnVersionAttributesChanged.
   void SetActiveVersion(ServiceWorkerVersion* version);
   void SetWaitingVersion(ServiceWorkerVersion* version);
   void SetInstallingVersion(ServiceWorkerVersion* version);
 
@@ skipping 61 matching lines @@
   scoped_refptr<ServiceWorkerVersion> installing_version_;
   ObserverList<Listener> listeners_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegistration);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_H_