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

content/browser/service_worker/service_worker_info.h

 // Copyright 2014 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_INFO_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_INFO_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 58 matching lines @@
 
 struct CONTENT_EXPORT ServiceWorkerRegistrationInfo {
  public:
   enum DeleteFlag { IS_NOT_DELETED, IS_DELETED };
   ServiceWorkerRegistrationInfo();
   ServiceWorkerRegistrationInfo(const GURL& pattern,
                                 int64_t registration_id,
                                 DeleteFlag delete_flag);
   ServiceWorkerRegistrationInfo(
       const GURL& pattern,
+      blink::WebServiceWorkerUpdateViaCache update_via_cache,
       int64_t registration_id,
       DeleteFlag delete_flag,
       const ServiceWorkerVersionInfo& active_version,
       const ServiceWorkerVersionInfo& waiting_version,
       const ServiceWorkerVersionInfo& installing_version,
       int64_t active_version_total_size_bytes);
   ServiceWorkerRegistrationInfo(const ServiceWorkerRegistrationInfo& other);
   ~ServiceWorkerRegistrationInfo();
 
   GURL pattern;
+  blink::WebServiceWorkerUpdateViaCache update_via_cache;
   int64_t registration_id;
   DeleteFlag delete_flag;
   ServiceWorkerVersionInfo active_version;
   ServiceWorkerVersionInfo waiting_version;
   ServiceWorkerVersionInfo installing_version;
 
   int64_t stored_version_size_bytes;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_INFO_H_