Network service: SafeBrowsing check for frame-resources from browser.

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"
 #include "content/common/url_loader.mojom.h"
-#include "content/common/url_loader_factory.mojom.h"
 #include "content/public/browser/ssl_status.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "services/service_manager/public/cpp/connector.h"
 
 namespace net {
 struct RedirectInfo;
 }
 
 namespace content {
 
 class ResourceContext;
 class NavigationPostDataHandler;
 
 // This is an implementation of NavigationURLLoader used when
 // --enable-network-service is used.
-class NavigationURLLoaderNetworkService : public NavigationURLLoader,
-                                          public mojom::URLLoaderClient {
+class NavigationURLLoaderNetworkService : public NavigationURLLoader {
  public:
   // The caller is responsible for ensuring that |delegate| outlives the loader.
   NavigationURLLoaderNetworkService(
       ResourceContext* resource_context,
       StoragePartition* storage_partition,
       std::unique_ptr<NavigationRequestInfo> request_info,
       std::unique_ptr<NavigationUIData> navigation_ui_data,
       ServiceWorkerNavigationHandle* service_worker_handle,
       AppCacheNavigationHandle* appcache_handle,
       NavigationURLLoaderDelegate* delegate);
   ~NavigationURLLoaderNetworkService() override;
 
   // NavigationURLLoader implementation:
   void FollowRedirect() override;
   void ProceedWithResponse() override;
 
-  // mojom::URLLoaderClient implementation:
   void OnReceiveResponse(const ResourceResponseHead& head,
                          const base::Optional<net::SSLInfo>& ssl_info,
-                         mojom::DownloadedTempFilePtr downloaded_file) override;
+                         mojom::DownloadedTempFilePtr downloaded_file);
   void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
-                         const ResourceResponseHead& head) override;
-  void OnDataDownloaded(int64_t data_length, int64_t encoded_length) override;
-  void OnUploadProgress(int64_t current_position,
-                        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;
+                         const ResourceResponseHead& head);
+  void OnStartLoadingResponseBody(mojo::ScopedDataPipeConsumerHandle body);
+  void OnComplete(const ResourceRequestCompletionStatus& completion_status);
 
  private:
   class URLLoaderRequestController;
 
   NavigationURLLoaderDelegate* delegate_;
 
-  mojo::Binding<mojom::URLLoaderClient> binding_;
-  mojom::URLLoaderPtr url_loader_ptr_;
   scoped_refptr<ResourceResponse> response_;
   SSLStatus ssl_status_;
 
   // Lives on the IO thread.
   std::unique_ptr<URLLoaderRequestController> request_controller_;
 
+  base::WeakPtrFactory<NavigationURLLoaderNetworkService> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderNetworkService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_NETWORK_SERVICE_H_