After 24 hours, bust the browser cache when checking for ServiceWorker updates

content/browser/service_worker/service_worker_register_job.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_REGISTER_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 110 matching lines @@
   void CompleteInternal(ServiceWorkerStatusCode status);
   void ResolvePromise(ServiceWorkerStatusCode status,
                       ServiceWorkerRegistration* registration,
                       ServiceWorkerVersion* version);
 
   // EmbeddedWorkerInstance::Listener override of OnPausedAfterDownload.
   virtual void OnPausedAfterDownload() OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnCompareScriptResourcesComplete(
-      ServiceWorkerVersion* current_version,
+      ServiceWorkerVersion* most_recent_version,
       ServiceWorkerStatusCode status,
       bool are_equal);
 
   void AssociateProviderHostsToRegistration(
       ServiceWorkerRegistration* registration);
 
   // The ServiceWorkerContextCore object should always outlive this.
   base::WeakPtr<ServiceWorkerContextCore> context_;
 
   RegistrationJobType job_type_;
   const GURL pattern_;
   const GURL script_url_;
   std::vector<RegistrationCallback> callbacks_;
   std::vector<int> pending_process_ids_;
   Phase phase_;
   Internal internal_;
   bool is_promise_resolved_;
   ServiceWorkerStatusCode promise_resolved_status_;
   scoped_refptr<ServiceWorkerRegistration> promise_resolved_registration_;
   scoped_refptr<ServiceWorkerVersion> promise_resolved_version_;
   base::WeakPtrFactory<ServiceWorkerRegisterJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegisterJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_