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

third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerRegistration.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 WebServiceWorkerRegistration_h
 #define WebServiceWorkerRegistration_h
 
+#include <memory>
+
 #include "public/platform/WebCallbacks.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerError.h"
-#include <memory>
+#include "public/platform/modules/serviceworker/WebServiceWorkerUpdateViaCache.h"
 
 namespace blink {
 
 class WebServiceWorkerProvider;
 class WebServiceWorkerRegistrationProxy;
 struct WebNavigationPreloadState;
 
 // The interface of the registration representation in the embedder. The
 // embedder implements this interface and passes its handle
 // (WebServiceWorkerRegistration::Handle) to Blink. Blink accesses the
@@ skipping 22 matching lines @@
    public:
     virtual ~Handle() {}
     virtual WebServiceWorkerRegistration* Registration() { return nullptr; }
   };
 
   virtual void SetProxy(WebServiceWorkerRegistrationProxy*) {}
   virtual WebServiceWorkerRegistrationProxy* Proxy() { return nullptr; }
   virtual void ProxyStopped() {}
 
   virtual WebURL Scope() const { return WebURL(); }
+  virtual WebServiceWorkerUpdateViaCache UpdateViaCache() const {
+    return WebServiceWorkerUpdateViaCache::kImports;
+  }
   virtual int64_t RegistrationId() const = 0;
   virtual void Update(WebServiceWorkerProvider*,
                       std::unique_ptr<WebServiceWorkerUpdateCallbacks>) {}
   virtual void Unregister(
       WebServiceWorkerProvider*,
       std::unique_ptr<WebServiceWorkerUnregistrationCallbacks>) {}
 
   virtual void EnableNavigationPreload(
       bool enable,
       WebServiceWorkerProvider*,
       std::unique_ptr<WebEnableNavigationPreloadCallbacks>) {}
   virtual void GetNavigationPreloadState(
       WebServiceWorkerProvider*,
       std::unique_ptr<WebGetNavigationPreloadStateCallbacks>) {}
   virtual void SetNavigationPreloadHeader(
       const WebString& value,
       WebServiceWorkerProvider*,
       std::unique_ptr<WebSetNavigationPreloadHeaderCallbacks>) {}
 };
 
 }  // namespace blink
 
 #endif  // WebServiceWorkerRegistration_h