[Mac] User manager should show up as a standalone window.

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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1481 matching lines @@
         'browser/ui/cocoa/bookmarks/bookmark_model_observer_for_cocoa_unittest.mm',
         'browser/ui/cocoa/bookmarks/bookmark_name_folder_controller_unittest.mm',
         'browser/ui/cocoa/bookmarks/bookmark_sync_promo_controller_unittest.mm',
         'browser/ui/cocoa/bookmarks/bookmark_tree_browser_cell_unittest.mm',
         'browser/ui/cocoa/browser/avatar_button_controller_unittest.mm',
         'browser/ui/cocoa/browser/avatar_label_button_unittest.mm',
         'browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm',
         'browser/ui/cocoa/browser/edit_search_engine_cocoa_controller_unittest.mm',
         'browser/ui/cocoa/browser/password_generation_bubble_controller_unittest.mm',
         'browser/ui/cocoa/browser/profile_chooser_controller_unittest.mm',
+        'browser/ui/cocoa/browser/user_manager_mac_unittest.mm',
         'browser/ui/cocoa/browser/zoom_bubble_controller_unittest.mm',
         'browser/ui/cocoa/browser_window_cocoa_unittest.mm',
         'browser/ui/cocoa/browser_window_controller_unittest.mm',
         'browser/ui/cocoa/bubble_view_unittest.mm',
         'browser/ui/cocoa/chrome_browser_window_unittest.mm',
         'browser/ui/cocoa/chrome_event_processing_window_unittest.mm',
         'browser/ui/cocoa/clickhold_button_cell_unittest.mm',
         'browser/ui/cocoa/cocoa_profile_test.h',
         'browser/ui/cocoa/cocoa_profile_test.mm',
         'browser/ui/cocoa/cocoa_test_helper.h',
@@ skipping 1388 matching lines @@
             'browser/ui/app_list/test/fake_profile_store.h',
             'browser/ui/app_list/test/fast_show_pickler_unittest.cc',
             'browser/ui/views/app_list/linux/app_list_linux_unittest.cc',
             'browser/ui/views/app_list/win/app_list_win_unittest.cc',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }