Replace the DownloadFileManager with direct ownership

content/browser/browser_main_loop.cc

 // Copyright (c) 2012 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/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/hi_res_timer_manager.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/run_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/browser/browser_thread_impl.h"
-#include "content/browser/download/download_file_manager.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/browser/gamepad/gamepad_service.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/histogram_synchronizer.h"
 #include "content/browser/in_process_webkit/webkit_thread.h"
 #include "content/browser/net/browser_online_state_observer.h"
 #include "content/browser/plugin_service_impl.h"
 #include "content/browser/renderer_host/media/audio_input_device_manager.h"
@@ skipping 516 matching lines @@
         resource_dispatcher_host_.reset();
         break;
       case BrowserThread::FILE_USER_BLOCKING:
         thread_to_stop = &file_user_blocking_thread_;
         break;
       case BrowserThread::FILE:
         thread_to_stop = &file_thread_;
 
         // Clean up state that lives on or uses the file_thread_ before
         // it goes away.
-        if (resource_dispatcher_host_.get()) {
-          resource_dispatcher_host_.get()->download_file_manager()->Shutdown();
+        if (resource_dispatcher_host_.get())
           resource_dispatcher_host_.get()->save_file_manager()->Shutdown();
-        }
         break;
       case BrowserThread::PROCESS_LAUNCHER:
         thread_to_stop = &process_launcher_thread_;
         break;
       case BrowserThread::CACHE:
         thread_to_stop = &cache_thread_;
         break;
       case BrowserThread::IO:
         thread_to_stop = &io_thread_;
         break;
@@ skipping 111 matching lines @@
   DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
   if (parameters_.ui_task)
     MessageLoopForUI::current()->PostTask(FROM_HERE, *parameters_.ui_task);
 
   base::RunLoop run_loop;
   run_loop.Run();
 #endif
 }
 
 }  // namespace content