Added bowser test for Captive Portal Window.

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 385 matching lines @@
           ],
           'sources': [
             'browser/chromeos/cros/cros_in_process_browser_test.cc',
             'browser/chromeos/cros/cros_in_process_browser_test.h',
             'browser/chromeos/cros/cros_mock.cc',
             'browser/chromeos/cros/cros_mock.h',
             'browser/chromeos/input_method/textinput_browsertest.cc',
             'browser/chromeos/input_method/textinput_surroundingtext_browsertest.cc',
             'browser/chromeos/input_method/textinput_test_helper.cc',
             'browser/chromeos/input_method/textinput_test_helper.h',
+            'browser/chromeos/login/captive_portal_window_browsertest.cc',
             'browser/chromeos/login/eula_browsertest.cc',
             'browser/chromeos/login/login_browsertest.cc',
             'browser/chromeos/login/mock_authenticator.cc',
             'browser/chromeos/login/mock_authenticator.h',
             'browser/chromeos/login/oobe_browsertest.cc',
             'browser/chromeos/login/screen_locker_browsertest.cc',
             'browser/chromeos/login/screen_locker_tester.cc',
             'browser/chromeos/login/screen_locker_tester.h',
             'browser/chromeos/login/wallpaper_manager_browsertest.cc',
             'test/data/chromeos/service_login.html',
@@ skipping 2969 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/browser_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }