Rewrite the cookies pyauto test as browser tests.

chrome/test/functional/PYAUTO_TESTS

 # 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 20 matching lines @@
   # The CONTINUOUS suite includes tests that we expect to pass on a
   # continuous builder.
   # This is the suite that gets run on 'Chromium' builds.
   'CONTINUOUS': {
     'all': [
       'about_plugins_ui.AboutPluginsUITest',
       'apptest',
       'autofill',
       'chromoting.it2me_basic',
       'codesign',
-      'cookies',
       'crash_reporter',
       'downloads',
       'execute_javascript',
       'extensions',
       'flash',
       'fullscreen_mouselock',
       'history',
       'https',
       'gtalk.test_basic',
       'imports',
@@ skipping 783 matching lines @@
       '-search_engines.SearchEnginesTest.testDiscoverSearchEngine',
       '-ntp.NTPTest.testUninstallApp',
       '-ntp.NTPTest.testLaunchAppWithDefaultSettings',
       '-ntp.NTPTest.testLaunchAppRegularTab',
       '-ntp.NTPTest.testLaunchAppPinnedTab',
       '-ntp.NTPTest.testGetAppsWhenInstallApp',
       '-ntp.NTPTest.testLaunchAppNewWindow',
     ],
   },
 }