GTTF: Clean up DownloadFileManager

chrome/browser/download/download_file.cc

 // Copyright (c) 2010 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 "chrome/browser/download/download_file.h"
 
 #include "base/file_util.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/history/download_types.h"
 
-DownloadFile::DownloadFile(const DownloadCreateInfo* info)
+DownloadFile::DownloadFile(const DownloadCreateInfo* info,
+                           DownloadManager* download_manager)
     : BaseFile(info->save_info.file_path,
                info->url,
                info->referrer_url,
+               info->received_bytes,
                info->save_info.file_stream),
       id_(info->download_id),
       child_id_(info->child_id),
-      request_id_(info->request_id) {
+      request_id_(info->request_id),
+      download_manager_(download_manager) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
+
 }
 
 DownloadFile::~DownloadFile() {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
 }
 
 void DownloadFile::DeleteCrDownload() {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
   FilePath crdownload = download_util::GetCrDownloadPath(full_path_);
   file_util::Delete(crdownload, false);
 }
 
 void DownloadFile::CancelDownloadRequest(ResourceDispatcherHost* rdh) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
   ChromeThread::PostTask(
       ChromeThread::IO, FROM_HERE,
       NewRunnableFunction(&download_util::CancelDownloadRequest,
                           rdh,
                           child_id_,
                           request_id_));
 }
+
+void DownloadFile::OnDownloadManagerShutdown() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
+  download_manager_ = NULL;
+}
+
+DownloadManager* DownloadFile::GetDownloadManager() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::FILE));
+  return download_manager_.get();
+}