Fix and refactor downloaded file handling in the loading stack

content/browser/service_worker/service_worker_fetch_dispatcher.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_fetch_dispatcher.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 63 matching lines @@
 // wrapped client.
 class DelegatingURLLoaderClient final : public mojom::URLLoaderClient {
  public:
   explicit DelegatingURLLoaderClient(mojom::URLLoaderClientPtr client)
       : binding_(this), client_(std::move(client)) {}
   ~DelegatingURLLoaderClient() override {}
 
   void OnDataDownloaded(int64_t data_length, int64_t encoded_length) override {
     client_->OnDataDownloaded(data_length, encoded_length);
   }
-  void OnReceiveResponse(const ResourceResponseHead& head) override {
-    client_->OnReceiveResponse(head);
+  void OnReceiveResponse(
+      const ResourceResponseHead& head,
+      mojom::DownloadedTempFilePtr downloaded_file) override {
+    client_->OnReceiveResponse(head, std::move(downloaded_file));
   }
   void OnStartLoadingResponseBody(
       mojo::ScopedDataPipeConsumerHandle body) override {
     client_->OnStartLoadingResponseBody(std::move(body));
   }
   void OnComplete(
       const ResourceRequestCompletionStatus& completion_status) override {
     client_->OnComplete(completion_status);
   }
 
@@ skipping 348 matching lines @@
 }
 
 ServiceWorkerMetrics::EventType ServiceWorkerFetchDispatcher::GetEventType()
     const {
   if (request_->fetch_type == ServiceWorkerFetchType::FOREIGN_FETCH)
     return ServiceWorkerMetrics::EventType::FOREIGN_FETCH;
   return ResourceTypeToEventType(resource_type_);
 }
 
 }  // namespace content