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

content/child/service_worker/web_service_worker_provider_impl.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_WEB_SERVICE_WORKER_PROVIDER_IMPL_H_
 #define CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_PROVIDER_IMPL_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
@@ skipping 19 matching lines @@
  public:
   WebServiceWorkerProviderImpl(ThreadSafeSender* thread_safe_sender,
                                ServiceWorkerProviderContext* context);
   ~WebServiceWorkerProviderImpl() override;
 
   void SetClient(blink::WebServiceWorkerProviderClient* client) override;
 
   void RegisterServiceWorker(
       const blink::WebURL& pattern,
       const blink::WebURL& script_url,
+      blink::WebServiceWorkerUpdateViaCache update_via_cache,
       std::unique_ptr<WebServiceWorkerRegistrationCallbacks>) override;
   void GetRegistration(
       const blink::WebURL& document_url,
       std::unique_ptr<WebServiceWorkerGetRegistrationCallbacks>) override;
   void GetRegistrations(
       std::unique_ptr<WebServiceWorkerGetRegistrationsCallbacks>) override;
   void GetRegistrationForReady(
       std::unique_ptr<WebServiceWorkerGetRegistrationForReadyCallbacks>)
       override;
   bool ValidateScopeAndScriptURL(const blink::WebURL& pattern,
                                  const blink::WebURL& script_url,
                                  blink::WebString* error_message) override;
 
   int provider_id() const;
 
  private:
   void RemoveProviderClient();
   ServiceWorkerDispatcher* GetDispatcher();
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<ServiceWorkerProviderContext> context_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerProviderImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_PROVIDER_IMPL_H_