Move the download code to new directories:

chrome/browser/save_page_model.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/save_page_model.h"
 
 #include "base/string_util.h"
-#include "chrome/browser/download_manager.h"
+#include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/save_package.h"
 #include "chrome/common/l10n_util.h"
 
 #include "generated_resources.h"
 
 SavePageModel::SavePageModel(SavePackage* save, DownloadItem* download)
     : save_(save),
       download_(download) {
 }
 
@@ skipping 20 matching lines @@
       break;
     case DownloadItem::REMOVING:
       break;
     default:
       NOTREACHED();
   }
 
   return status_text;
 }