A few minor changes to the chrome.downloads extension API

chrome/chrome_tests.gypi

 # Copyright 2013 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 1272 matching lines @@
         'browser/extensions/api/cookies/cookies_apitest.cc',
         'browser/extensions/api/debugger/debugger_apitest.cc',
         'browser/extensions/api/debugger/debugger_extension_apitest.cc',
         'browser/extensions/api/declarative/declarative_apitest.cc',
         'browser/extensions/api/declarative_content/declarative_content_apitest.cc',
         'browser/extensions/api/developer_private/developer_private_apitest.cc',
         'browser/extensions/api/dial/dial_apitest.cc',
         'browser/extensions/api/dns/dns_apitest.cc',
         'browser/extensions/api/dns/mock_host_resolver_creator.cc',
         'browser/extensions/api/dns/mock_host_resolver_creator.h',
-        'browser/extensions/api/downloads/downloads_api_unittest.cc',
+        'browser/extensions/api/downloads/downloads_api_browsertest.cc',
         'browser/extensions/api/extension_action/browser_action_apitest.cc',
         'browser/extensions/api/extension_action/page_action_apitest.cc',
         'browser/extensions/api/extension_action/page_as_browser_action_apitest.cc',
         'browser/extensions/api/extension_action/script_badge_apitest.cc',
         'browser/extensions/api/file_system/file_system_apitest.cc',
         'browser/extensions/api/font_settings/font_settings_apitest.cc',
         'browser/extensions/api/history/history_apitest.cc',
         'browser/extensions/api/i18n/i18n_apitest.cc',
         'browser/extensions/api/identity/experimental_identity_apitest.cc',
         'browser/extensions/api/identity/identity_apitest.cc',
@@ skipping 2091 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }