Revert of Use associated interface on DownloadedTempFile

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 253 matching lines @@
       : fetch_event_id_(fetch_event_id),
         url_(url),
         url_loader_(std::move(preload_handle->url_loader)),
         binding_(this, std::move(preload_handle->url_loader_client_request)) {}
 
   ~NavigationPreloadRequest() override {
   }
 
   void OnReceiveResponse(
       const ResourceResponseHead& response_head,
-      mojom::DownloadedTempFileAssociatedPtrInfo downloaded_file) override {
+      mojom::DownloadedTempFilePtr downloaded_file) override {
     DCHECK(!response_);
-    DCHECK(!downloaded_file.is_valid());
+    DCHECK(!downloaded_file);
     response_ = base::MakeUnique<blink::WebURLResponse>();
     // TODO(horo): Set report_security_info to true when DevTools is attached.
     const bool report_security_info = false;
     WebURLLoaderImpl::PopulateURLResponse(url_, response_head, response_.get(),
                                           report_security_info);
     MaybeReportResponseToClient();
   }
 
   void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
                          const ResourceResponseHead& response_head) override {
@@ skipping 973 matching lines @@
 }
 
 base::WeakPtr<ServiceWorkerContextClient>
 ServiceWorkerContextClient::GetWeakPtr() {
   DCHECK(worker_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(context_);
   return context_->weak_factory.GetWeakPtr();
 }
 
 }  // namespace content