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

content/browser/service_worker/service_worker_write_to_cache_job.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_WRITE_TO_CACHE_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_WRITE_TO_CACHE_JOB_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 45 matching lines @@
                                int64_t incumbent_resource_id);
 
   // The error code used when update fails because the new
   // script is byte-by-byte identical to the incumbent script.
   const static net::Error kIdenticalScriptError;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
                            UpdateBefore24Hours);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
-                           UpdateAfter24Hours);
+                           UpdateBefore24HoursUsingCache);
+  FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
+                           UpdateAfter24HoursUsingCache);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
                            UpdateForceBypassCache);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerContextRequestHandlerTest,
                            ServiceWorkerDataRequestAnnotation);
 
   ~ServiceWorkerWriteToCacheJob() override;
 
   // net::URLRequestJob overrides
   void Start() override;
   void StartAsync();
@@ skipping 75 matching lines @@
   bool did_notify_finished_;
 
   base::WeakPtrFactory<ServiceWorkerWriteToCacheJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerWriteToCacheJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_WRITE_TO_CACHE_JOB_H_