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

content/browser/service_worker/service_worker_registration.cc

Index: content/browser/service_worker/service_worker_registration.cc
diff --git a/content/browser/service_worker/service_worker_registration.cc b/content/browser/service_worker/service_worker_registration.cc
index 1a06f2589dd349cb55dd66c3351c7d8863b6f27d..5d968de958659abd6af7e110e066ce0bff04b627 100644
--- a/content/browser/service_worker/service_worker_registration.cc
+++ b/content/browser/service_worker/service_worker_registration.cc
@@ -31,9 +31,11 @@ ServiceWorkerVersionInfo GetVersionInfo(ServiceWorkerVersion* version) {
 
 ServiceWorkerRegistration::ServiceWorkerRegistration(
     const GURL& pattern,
+    bool use_cache,
     int64_t registration_id,
     base::WeakPtr<ServiceWorkerContextCore> context)
     : pattern_(pattern),
+      use_cache_(use_cache),
       registration_id_(registration_id),
       is_deleted_(false),
       is_uninstalling_(false),
@@ -95,7 +97,7 @@ void ServiceWorkerRegistration::NotifyVersionAttributesChanged(
 ServiceWorkerRegistrationInfo ServiceWorkerRegistration::GetInfo() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return ServiceWorkerRegistrationInfo(
-      pattern(), registration_id_,
+      pattern(), use_cache(), registration_id_,
       is_deleted_ ? ServiceWorkerRegistrationInfo::IS_DELETED
                   : ServiceWorkerRegistrationInfo::IS_NOT_DELETED,
       GetVersionInfo(active_version_.get()),