Rewrite DownloadsDOMHandler

chrome/chrome_tests.gypi

 # 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 2974 matching lines @@
         'browser/ui/views/select_file_dialog_extension_browsertest.cc',
         'browser/ui/views/sync/one_click_signin_bubble_view_browsertest.cc',
         'browser/ui/views/web_dialog_view_browsertest.cc',
         'browser/ui/webui/chrome_url_data_manager_browsertest.cc',
         'browser/ui/webui/help/help_browsertest.js',
         'browser/ui/webui/ntp/most_visited_browsertest.cc',
         'browser/ui/webui/test_chrome_web_ui_controller_factory_browsertest.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.h',
         'browser/ui/webui/bookmarks_ui_browsertest.cc',
+        'browser/ui/webui/downloads_dom_handler_browsertest.cc',
         'browser/ui/webui/extensions/extension_settings_browsertest.js',
         'browser/ui/webui/inspect_ui_browsertest.cc',
         'browser/ui/webui/net_internals/net_internals_ui_browsertest.cc',
         'browser/ui/webui/net_internals/net_internals_ui_browsertest.h',
         'browser/ui/webui/ntp/new_tab_ui_browsertest.cc',
         'browser/ui/webui/options/autofill_options_browsertest.js',
         'browser/ui/webui/options/browser_options_browsertest.js',
         'browser/ui/webui/options/certificate_manager_browsertest.js',
         'browser/ui/webui/options/chromeos/guest_mode_options_ui_browsertest.cc',
         'browser/ui/webui/options/content_options_browsertest.js',
@@ skipping 1707 matching lines @@
                 '--result', '<@(_outputs)',
                 '--isolate', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }