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

content/browser/service_worker/service_worker_context_wrapper.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 76 matching lines @@
   ResourceContext* resource_context();
 
   // The process manager can be used on either UI or IO.
   ServiceWorkerProcessManager* process_manager() {
     return process_manager_.get();
   }
 
   // ServiceWorkerContext implementation:
   void RegisterServiceWorker(const GURL& pattern,
                              const GURL& script_url,
+                             bool use_cache,
                              const ResultCallback& continuation) override;
   void UnregisterServiceWorker(const GURL& pattern,
                                const ResultCallback& continuation) override;
   void GetAllOriginsInfo(const GetUsageInfoCallback& callback) override;
   void DeleteForOrigin(const GURL& origin,
                        const ResultCallback& callback) override;
   void CheckHasServiceWorker(
       const GURL& url,
       const GURL& other_url,
       const CheckHasServiceWorkerCallback& callback) override;
@@ skipping 211 matching lines @@
 
   // Must be touched on the UI thread.
   std::map<int, int> navigation_hint_task_count_per_process_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_