Revert 58196 - GTTF: Clean up DownloadFileManager...

chrome/browser/renderer_host/download_resource_handler.cc

 // Copyright (c) 2006-2008 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/renderer_host/download_resource_handler.h"
 
 #include "base/logging.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/download/download_item.h"
 #include "chrome/browser/download/download_file_manager.h"
@@ skipping 74 matching lines @@
       !response->response_head.headers->GetMimeType(&content_type_header))
     content_type_header = "";
   info->original_mime_type = content_type_header;
 
   info->prompt_user_for_save_location =
       save_as_ && save_info_.file_path.empty();
   info->is_dangerous = false;
   info->referrer_charset = request_->context()->referrer_charset();
   info->save_info = save_info_;
   ChromeThread::PostTask(
-      ChromeThread::UI, FROM_HERE,
+      ChromeThread::FILE, FROM_HERE,
       NewRunnableMethod(
           download_file_manager_, &DownloadFileManager::StartDownload, info));
   return true;
 }
 
 bool DownloadResourceHandler::OnWillStart(int request_id,
                                           const GURL& url,
                                           bool* defer) {
   return true;
 }
@@ skipping 100 matching lines @@
 }
 
 DownloadResourceHandler::~DownloadResourceHandler() {
 }
 
 void DownloadResourceHandler::StartPauseTimer() {
   if (!pause_timer_.IsRunning())
     pause_timer_.Start(base::TimeDelta::FromMilliseconds(kThrottleTimeMs), this,
                        &DownloadResourceHandler::CheckWriteProgress);
 }