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

content/child/service_worker/service_worker_dispatcher.cc

Index: content/child/service_worker/service_worker_dispatcher.cc
diff --git a/content/child/service_worker/service_worker_dispatcher.cc b/content/child/service_worker/service_worker_dispatcher.cc
index a3694b2acc8e2715fce32551c492f53a2626487b..2c5db27fc067d0dba72f0edb9d95b7102a1e83be 100644
--- a/content/child/service_worker/service_worker_dispatcher.cc
+++ b/content/child/service_worker/service_worker_dispatcher.cc
@@ -123,6 +123,7 @@ void ServiceWorkerDispatcher::RegisterServiceWorker(
     int provider_id,
     const GURL& pattern,
     const GURL& script_url,
+    blink::WebServiceWorkerUpdateViaCache update_via_cache,
     std::unique_ptr<WebServiceWorkerRegistrationCallbacks> callbacks) {
   DCHECK(callbacks);
 
@@ -137,7 +138,7 @@ void ServiceWorkerDispatcher::RegisterServiceWorker(
   }
 
   int request_id = pending_registration_callbacks_.Add(std::move(callbacks));
-  ServiceWorkerRegistrationOptions options(pattern);
+  ServiceWorkerRegistrationOptions options(pattern, update_via_cache);
 
   TRACE_EVENT_ASYNC_BEGIN2("ServiceWorker",
                            "ServiceWorkerDispatcher::RegisterServiceWorker",
@@ -188,6 +189,7 @@ void ServiceWorkerDispatcher::GetRegistration(
 
   int request_id =
       pending_get_registration_callbacks_.Add(std::move(callbacks));
+
   TRACE_EVENT_ASYNC_BEGIN1("ServiceWorker",
                            "ServiceWorkerDispatcher::GetRegistration",
                            request_id,