ServiceWorker: Stop sending the SetVersionAttributes message from SWProviderHost

content/browser/service_worker/service_worker_provider_host.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_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 104 matching lines @@
                            UpdateAfter24Hours);
 
   // ServiceWorkerRegistration::Listener overrides.
   virtual void OnVersionAttributesChanged(
       ServiceWorkerRegistration* registration,
       ChangedVersionAttributesMask changed_mask,
       const ServiceWorkerRegistrationInfo& info) OVERRIDE;
   virtual void OnRegistrationFailed(
       ServiceWorkerRegistration* registration) OVERRIDE;
 
-  // Sets the corresponding version field to the given version or if the given
-  // version is NULL, clears the field.
-  void SetVersionAttributes(
+  // Adds this provider host to the potential controllee list of the given
+  // versions and removes it from the previous versions.
+  void UpdatePotentialControllees(
       ServiceWorkerVersion* installing_version,
       ServiceWorkerVersion* waiting_version,
       ServiceWorkerVersion* active_version);
-  void SetVersionAttributesInternal(
-      ServiceWorkerVersion* version,
-      scoped_refptr<ServiceWorkerVersion>* data_member);
 
   // Sets the controller version field to |version| or if |version| is NULL,
   // clears the field.
   void SetControllerVersionAttribute(ServiceWorkerVersion* version);
 
-  // Clears all version fields.
-  void ClearVersionAttributes();
-
   // Creates a ServiceWorkerHandle to retain |version| and returns a
   // ServiceWorkerInfo with the handle ID to pass to the provider. The
   // provider is responsible for releasing the handle.
   ServiceWorkerObjectInfo CreateHandleAndPass(ServiceWorkerVersion* version);
 
   const int process_id_;
   const int provider_id_;
   GURL document_url_;
 
   scoped_refptr<ServiceWorkerRegistration> associated_registration_;
 
   scoped_refptr<ServiceWorkerVersion> controlling_version_;
   scoped_refptr<ServiceWorkerVersion> active_version_;
   scoped_refptr<ServiceWorkerVersion> waiting_version_;
   scoped_refptr<ServiceWorkerVersion> installing_version_;
   scoped_refptr<ServiceWorkerVersion> running_hosted_version_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ServiceWorkerDispatcherHost* dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_