Fix and refactor downloaded file handling in the loading stack

content/renderer/service_worker/service_worker_context_client.cc

 // Copyright 2015 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/renderer/service_worker/service_worker_context_client.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 243 matching lines @@
       return;
     client->OnNavigationPreloadError(
         fetch_event_id_,
         base::MakeUnique<blink::WebServiceWorkerError>(
             blink::WebServiceWorkerError::ErrorTypeAbort,
             blink::WebString::fromUTF8(
                 "Service Worker navigation preload aborted. Need to guard with "
                 "respondWith or waitUntil.")));
   }
 
-  void OnReceiveResponse(const ResourceResponseHead& response_head) override {
+  void OnReceiveResponse(
+      const ResourceResponseHead& response_head,
+      mojom::DownloadedTempFilePtr downloaded_file) override {
     DCHECK(!response_);
+    DCHECK(!downloaded_file);
     response_ = base::MakeUnique<blink::WebServiceWorkerResponse>();
     response_->setURL(url_);
     DCHECK(response_head.headers);
     response_->setStatus(response_head.headers->response_code());
     response_->setStatusText(
         blink::WebString::fromUTF8(response_head.headers->GetStatusText()));
     response_->setResponseType(blink::WebServiceWorkerResponseTypeBasic);
     size_t iter = 0;
     std::string header_name;
     std::string header_value;
@@ skipping 1029 matching lines @@
 }
 
 base::WeakPtr<ServiceWorkerContextClient>
 ServiceWorkerContextClient::GetWeakPtr() {
   DCHECK(worker_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(context_);
   return context_->weak_factory.GetWeakPtr();
 }
 
 }  // namespace content