Switch to standard integer types in chrome/browser/, part 1 of 4.

chrome/browser/download/download_service_impl.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 "chrome/browser/download/download_service_impl.h"
 
 #include "base/callback.h"
+#include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_status_updater.h"
 #include "chrome/browser/download/download_ui_controller.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/history/core/browser/history_service.h"
 #include "content/public/browser/download_manager.h"
 
@@ skipping 124 matching lines @@
     // code) when the DownloadManager is shutting down. So we shut it down
     // manually earlier. See http://crbug.com/131692
     BrowserContext::GetDownloadManager(profile_)->Shutdown();
   }
 #if defined(ENABLE_EXTENSIONS)
   extension_event_router_.reset();
 #endif
   manager_delegate_.reset();
   download_history_.reset();
 }