Force COM machinery to notice that the path to the DelegateExecute verb handler has changed.

chrome/chrome_installer_util.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.
 
 {
   'target_defaults': {
     'variables': {
       'installer_util_target': 0,
     },
     'target_conditions': [
       # This part is shared between the two versions of the target.
       ['installer_util_target==1', {
         'sources': [
           'installer/util/app_command.cc',
           'installer/util/app_command.h',
           'installer/util/app_commands.cc',
           'installer/util/app_commands.h',
           'installer/util/auto_launch_util.cc',
           'installer/util/auto_launch_util.h',
           'installer/util/browser_distribution.cc',
           'installer/util/browser_distribution.h',
+          'installer/util/callback_work_item.cc',
+          'installer/util/callback_work_item.h',
           'installer/util/channel_info.cc',
           'installer/util/channel_info.h',
           'installer/util/chrome_app_host_distribution.cc',
           'installer/util/chrome_app_host_distribution.h',
           'installer/util/chrome_frame_distribution.cc',
           'installer/util/chrome_frame_distribution.h',
           'installer/util/chromium_binaries_distribution.cc',
           'installer/util/chromium_binaries_distribution.h',
           'installer/util/conditional_work_item_list.cc',
           'installer/util/conditional_work_item_list.h',
@@ skipping 176 matching lines @@
               'sources': [ '../content/public/common/content_switches.cc' ],
               'defines': [ 'COMPILE_CONTENT_STATICALLY'],
             }],
           ],
         }
       ],
     }],
 
   ],
 }