Make UpgradeDetector work on the Mac

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': [
     {
       'target_name': 'browser',
       'type': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
       'dependencies': [
         'common',
         'common_net',
         'chrome_extra_resources',
         'chrome_resources',
         'chrome_strings',
         'chrome_version_info',
         'component_extensions',
+        'installer_util',
         'platform_locale_settings',
         'profile_import',
         'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
         'syncapi',
         'theme_resources',
         'userfeedback_proto',
         '../app/app.gyp:app_resources',
         '../app/app.gyp:app_strings',
         '../media/media.gyp:media',
         '../printing/printing.gyp:printing',
@@ skipping 3023 matching lines @@
                 '<@(xib_files_to_scan)',
               ],
               'outputs': [
                 '<(INTERMEDIATE_DIR)/ui_localizer_table.h',
               ],
               'action': ['<(xib_localizer_tool_path)',
                           '<@(_outputs)',
                           '<@(xib_files_to_scan)'],
             },
           ],
-        }, { # OS != mac
-          'dependencies': [
-            'installer_util',
-          ],
         }],
         ['OS=="win"', {
           'defines': [
             '__STD_C',
             '_CRT_SECURE_NO_DEPRECATE',
             '_SCL_SECURE_NO_DEPRECATE',
           ],
           'include_dirs': [
             '<(DEPTH)/third_party/wtl/include',
           ],
@@ skipping 536 matching lines @@
       ],
     },
   ],
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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