Add warning message to downloads directory

chrome/browser/extensions/extension_file_browser_private_api.cc

 // Copyright (c) 2011 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/extensions/extension_file_browser_private_api.h"
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 1368 matching lines @@
 
   SET_STRING(IDS_FILE_BROWSER, ROOT_DIRECTORY_LABEL);
   SET_STRING(IDS_FILE_BROWSER, DOWNLOADS_DIRECTORY_LABEL);
   SET_STRING(IDS_FILE_BROWSER, ARCHIVE_DIRECTORY_LABEL);
   SET_STRING(IDS_FILE_BROWSER, REMOVABLE_DIRECTORY_LABEL);
   SET_STRING(IDS_FILE_BROWSER, NAME_COLUMN_LABEL);
   SET_STRING(IDS_FILE_BROWSER, SIZE_COLUMN_LABEL);
   SET_STRING(IDS_FILE_BROWSER, DATE_COLUMN_LABEL);
   SET_STRING(IDS_FILE_BROWSER, PREVIEW_COLUMN_LABEL);
 
+  SET_STRING(IDS_FILE_BROWSER, DOWNLOADS_DIRECTORY_WARNING);
+
   SET_STRING(IDS_FILE_BROWSER, ERROR_CREATING_FOLDER);
   SET_STRING(IDS_FILE_BROWSER, ERROR_INVALID_CHARACTER);
   SET_STRING(IDS_FILE_BROWSER, ERROR_RESERVED_NAME);
   SET_STRING(IDS_FILE_BROWSER, ERROR_HIDDEN_NAME);
   SET_STRING(IDS_FILE_BROWSER, ERROR_WHITESPACE_NAME);
   SET_STRING(IDS_FILE_BROWSER, NEW_FOLDER_PROMPT);
   SET_STRING(IDS_FILE_BROWSER, ERROR_NEW_FOLDER_EMPTY_NAME);
   SET_STRING(IDS_FILE_BROWSER, NEW_FOLDER_BUTTON_LABEL);
   SET_STRING(IDS_FILE_BROWSER, FILENAME_LABEL);
 
@@ skipping 100 matching lines @@
 #undef SET_STRING
 
   // TODO(serya): Create a new string in .grd file for this one in M13.
   dict->SetString("PREVIEW_IMAGE",
       l10n_util::GetStringUTF16(IDS_CERT_MANAGER_VIEW_CERT_BUTTON));
   dict->SetString("PLAY_MEDIA",
       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_PLAY));
 
   return true;
 }