mac: Load the system hotkeys after launch.

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 1654 matching lines @@
         'browser/ui/cocoa/profiles/user_manager_mac_unittest.mm',
         'browser/ui/cocoa/run_loop_testing_unittest.mm',
         'browser/ui/cocoa/screen_capture_notification_ui_cocoa_unittest.mm',
         'browser/ui/cocoa/sprite_view_unittest.mm',
         'browser/ui/cocoa/status_bubble_mac_unittest.mm',
         'browser/ui/cocoa/status_icons/status_icon_mac_unittest.mm',
         'browser/ui/cocoa/styled_text_field_cell_unittest.mm',
         'browser/ui/cocoa/styled_text_field_test_helper.h',
         'browser/ui/cocoa/styled_text_field_test_helper.mm',
         'browser/ui/cocoa/styled_text_field_unittest.mm',
-        'browser/ui/cocoa/system_hotkey_map_unittest.mm',
         'browser/ui/cocoa/tab_contents/sad_tab_controller_unittest.mm',
         'browser/ui/cocoa/tab_contents/sad_tab_view_unittest.mm',
         'browser/ui/cocoa/table_row_nsimage_cache_unittest.mm',
         'browser/ui/cocoa/tabs/media_indicator_view_unittest.mm',
         'browser/ui/cocoa/tabs/tab_controller_unittest.mm',
         'browser/ui/cocoa/tabs/tab_strip_controller_unittest.mm',
         'browser/ui/cocoa/tabs/tab_strip_view_unittest.mm',
         'browser/ui/cocoa/tabs/tab_view_unittest.mm',
         'browser/ui/cocoa/task_manager_mac_unittest.mm',
         'browser/ui/cocoa/toolbar/reload_button_unittest.mm',
@@ skipping 1220 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }