Add "Sign In" button to the account chooser on Mac.

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1778 matching lines @@
         'browser/ui/exclusive_access/fullscreen_controller_state_test.cc',
         'browser/ui/exclusive_access/fullscreen_controller_state_test.h',
         'browser/ui/exclusive_access/fullscreen_controller_state_tests.h',
         'browser/ui/exclusive_access/fullscreen_controller_test.cc',
         'browser/ui/exclusive_access/fullscreen_controller_test.h',
         'browser/ui/find_bar/find_bar_host_unittest_util.h',
         'browser/ui/login/login_handler_test_utils.cc',
         'browser/ui/login/login_handler_test_utils.h',
         'browser/ui/passwords/manage_passwords_ui_controller_mock.cc',
         'browser/ui/passwords/manage_passwords_ui_controller_mock.h',
+        'browser/ui/passwords/password_dialog_controller_mock.cc',
+        'browser/ui/passwords/password_dialog_controller_mock.h',
         'browser/ui/test/test_confirm_bubble_model.cc',
         'browser/ui/test/test_confirm_bubble_model.h',
         'browser/ui/toolbar/test_toolbar_action_view_controller.cc',
         'browser/ui/toolbar/test_toolbar_action_view_controller.h',
         'browser/ui/views/find_bar_host_unittest_util_views.cc',
         'browser/ui/views/toolbar/browser_action_test_util_views.cc',
         'browser/ui/website_settings/mock_permission_bubble_request.cc',
         'browser/ui/website_settings/mock_permission_bubble_request.h',
         'renderer/chrome_mock_render_thread.cc',
         'renderer/chrome_mock_render_thread.h',
@@ skipping 88 matching lines @@
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
             # TODO(ios): Add files here as they are updated to compile on iOS.
             ['include', '^test/base/chrome_test_suite\\.cc$'],
             ['include', '^test/base/chrome_unit_test_suite\\.cc$'],
             ['include', '^test/base/testing_browser_process'],
           ],
         }],
         ['OS=="ios" or OS=="android"', {
           'sources!': [
+            'browser/ui/passwords/manage_passwords_ui_controller_mock.cc',
+            'browser/ui/passwords/manage_passwords_ui_controller_mock.h',
+            'browser/ui/passwords/password_dialog_controller_mock.cc',
+            'browser/ui/passwords/password_dialog_controller_mock.h',
             'browser/ui/website_settings/mock_permission_bubble_request.cc',
             'browser/ui/website_settings/mock_permission_bubble_request.h',
           ]
         }],
         ['OS=="android"', {
           'dependencies!': [
             '../ui/message_center/message_center.gyp:message_center_test_support',
           ],
           'sources!': [
             'browser/download/test_download_shelf.cc',
@@ skipping 1071 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }