Provide skeleton functionality for AppCache handling in the network service.

content/browser/loader/navigation_url_loader_network_service.h

 // Copyright 2017 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_LOADER_NAVIGATION_URL_LOADER_NETWORK_SERVICE_H_
 #define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_NETWORK_SERVICE_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/loader/navigation_url_loader.h"
@@ skipping 49 matching lines @@
                         int64_t total_size,
                         OnUploadProgressCallback callback) override;
   void OnReceiveCachedMetadata(const std::vector<uint8_t>& data) override;
   void OnTransferSizeUpdated(int32_t transfer_size_diff) override;
   void OnStartLoadingResponseBody(
       mojo::ScopedDataPipeConsumerHandle body) override;
   void OnComplete(
       const ResourceRequestCompletionStatus& completion_status) override;
 
   // Initiates the request.
-  void StartURLRequest(std::unique_ptr<ResourceRequest> request);
+  void StartURLRequest(mojom::URLLoaderFactoryPtrInfo url_loader_factory_info,
+                       std::unique_ptr<ResourceRequest> request);
 
  private:
   void ConnectURLLoaderFactory(
       std::unique_ptr<service_manager::Connector> connector);
 
   mojom::URLLoaderFactory* GetURLLoaderFactory();
 
   NavigationURLLoaderDelegate* delegate_;
 
+  mojom::URLLoaderFactoryPtr url_loader_factory_;
   mojo::Binding<mojom::URLLoaderClient> binding_;
   std::unique_ptr<NavigationRequestInfo> request_info_;
   mojom::URLLoaderAssociatedPtr url_loader_associated_ptr_;
   scoped_refptr<ResourceResponse> response_;
   SSLStatus ssl_status_;
 
   base::WeakPtrFactory<NavigationURLLoaderNetworkService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderNetworkService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_NETWORK_SERVICE_H_