Implement updateViaCache flag and no-cache by default for main service worker scripts

content/browser/service_worker/service_worker_registration.h

Index: content/browser/service_worker/service_worker_registration.h
diff --git a/content/browser/service_worker/service_worker_registration.h b/content/browser/service_worker/service_worker_registration.h
index e0f107a2926914ae7f8b718fddb3fbbf2d178925..ae41cedc0f53ab1faa45c763ea300c00fd7d778a 100644
--- a/content/browser/service_worker/service_worker_registration.h
+++ b/content/browser/service_worker/service_worker_registration.h
@@ -50,12 +50,15 @@ class CONTENT_EXPORT ServiceWorkerRegistration
     virtual void OnSkippedWaiting(ServiceWorkerRegistration* registation) {}
   };
 
-  ServiceWorkerRegistration(const GURL& pattern,
+  ServiceWorkerRegistration(const ServiceWorkerRegistrationOptions& options,
                             int64_t registration_id,
                             base::WeakPtr<ServiceWorkerContextCore> context);
 
   int64_t id() const { return registration_id_; }
   const GURL& pattern() const { return pattern_; }
+  blink::WebServiceWorkerUpdateViaCache update_via_cache() const {
+    return update_via_cache_;
+  }
 
   bool is_deleted() const { return is_deleted_; }
   void set_is_deleted(bool deleted) { is_deleted_ = deleted; }
@@ -195,6 +198,7 @@ class CONTENT_EXPORT ServiceWorkerRegistration
                          ServiceWorkerStatusCode status);
 
   const GURL pattern_;
+  const blink::WebServiceWorkerUpdateViaCache update_via_cache_;
   const int64_t registration_id_;
   bool is_deleted_;
   bool is_uninstalling_;