Introduce UpdateActiveSetupVersionWorkItem

chrome/chrome_installer.gypi

 # 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.
 
 {
   'variables': {
     'lastchange_path': '../build/util/LASTCHANGE',
     'libpeer_target_type%': 'static_library',
     'branding_dir': 'app/theme/<(branding_path_component)',
     'branding_dir_100': 'app/theme/default_100_percent/<(branding_path_component)',
@@ skipping 338 matching lines @@
             'installer/setup/install_unittest.cc',
             'installer/setup/install_worker.cc',        # Move to lib
             'installer/setup/install_worker.h',         # Move to lib
             'installer/setup/install_worker_unittest.cc',
             'installer/setup/run_all_unittests.cc',
             'installer/setup/setup_constants.cc',       # Move to lib
             'installer/setup/setup_constants.h',        # Move to lib
             'installer/setup/setup_util.cc',
             'installer/setup/setup_util_unittest.cc',
             'installer/setup/setup_util_unittest.h',
+            'installer/setup/update_active_setup_version_work_item.cc',  # Move to lib
+            'installer/setup/update_active_setup_version_work_item.h',   # Move to lib
+            'installer/setup/update_active_setup_version_work_item_unittest.cc',
           ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [ 4267, ],
         },
       ],
     }],
     ['OS=="win" and target_arch=="ia32"', {
       'targets': [
         {
           'target_name': 'launcher_support64',
@@ skipping 711 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'installer_util_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }