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

content/child/service_worker/service_worker_dispatcher.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_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 71 matching lines @@
       base::SingleThreadTaskRunner* main_thread_task_runner);
   ~ServiceWorkerDispatcher() override;
 
   void OnMessageReceived(const IPC::Message& msg);
 
   // Corresponds to navigator.serviceWorker.register().
   void RegisterServiceWorker(
       int provider_id,
       const GURL& pattern,
       const GURL& script_url,
+      blink::WebServiceWorkerUpdateViaCache update_via_cache,
       std::unique_ptr<WebServiceWorkerRegistrationCallbacks> callbacks);
   // Corresponds to ServiceWorkerRegistration.update().
   void UpdateServiceWorker(
       int provider_id,
       int64_t registration_id,
       std::unique_ptr<WebServiceWorkerUpdateCallbacks> callbacks);
   // Corresponds to ServiceWorkerRegistration.unregister().
   void UnregisterServiceWorker(
       int provider_id,
       int64_t registration_id,
@@ skipping 232 matching lines @@
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_H_