Use WebURLResponse to pass the navigation preload response from SWContextClient to FetchEvent.

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 32 matching lines @@
 namespace blink {
 
 class Document;
 class FetchEvent;
 class ServiceWorkerGlobalScope;
 class WebDataConsumerHandle;
 class WebEmbeddedWorkerImpl;
 class WebServiceWorkerContextClient;
 struct WebServiceWorkerError;
 class WebServiceWorkerRequest;
-class WebServiceWorkerResponse;
+class WebURLResponse;
 
 // This class is created and destructed on the main thread, but live most
 // of its time as a resident of the worker thread.
 // All methods other than its ctor/dtor are called on the worker thread.
 //
 // This implements WebServiceWorkerContextProxy, which connects ServiceWorker's
 // WorkerGlobalScope and embedder/chrome, and implements ServiceWorker-specific
 // events/upcall methods that are to be called by embedder/chromium,
 // e.g. onfetch.
 //
@@ skipping 42 matching lines @@
   void dispatchNotificationCloseEvent(int,
                                       const WebString& notificationID,
                                       const WebNotificationData&) override;
   void dispatchPushEvent(int, const WebString& data) override;
   void dispatchSyncEvent(int, const WebString& tag, LastChanceOption) override;
   void dispatchPaymentRequestEvent(int,
                                    const WebPaymentAppRequestData&) override;
   bool hasFetchEventHandler() override;
   void onNavigationPreloadResponse(
       int fetchEventID,
-      std::unique_ptr<WebServiceWorkerResponse>,
+      std::unique_ptr<WebURLResponse>,
       std::unique_ptr<WebDataConsumerHandle>) override;
   void onNavigationPreloadError(
       int fetchEventID,
       std::unique_ptr<WebServiceWorkerError>) override;
 
   // WorkerReportingProxy overrides:
   void countFeature(UseCounter::Feature) override;
   void countDeprecation(UseCounter::Feature) override;
   void reportException(const String& errorMessage,
                        std::unique_ptr<SourceLocation>,
@@ skipping 43 matching lines @@
   HeapHashMap<int, Member<FetchEvent>> m_pendingPreloadFetchEvents;
 
   WebServiceWorkerContextClient* m_client;
 
   CrossThreadPersistent<ServiceWorkerGlobalScope> m_workerGlobalScope;
 };
 
 }  // namespace blink
 
 #endif  // ServiceWorkerGlobalScopeProxy_h