Ensure the ExtensionSystem is ready before initializing an ExtensionAppModelBuilder

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 2145 matching lines @@
             'browser/extensions/pack_extension_unittest.cc',
             'browser/extensions/permissions_updater_unittest.cc',
             'browser/extensions/sandboxed_unpacker_unittest.cc',
             'common/extensions/sync_type_unittest.cc',
             'common/extensions/permissions/permission_set_unittest.cc',
             'utility/extensions/unpacker_unittest.cc',
           ],
         }],
         ['use_ash==1', {
           'sources': [
-            'browser/ui/app_list/extension_app_model_builder_unittest.cc',
             'browser/ui/app_list/search/app_search_provider_unittest.cc',
             'browser/ui/app_list/search/history_unittest.cc',
             'browser/ui/app_list/search/history_data_store_unittest.cc',
             'browser/ui/app_list/search/mixer_unittest.cc',
             'browser/ui/app_list/search/term_break_iterator_unittest.cc',
             'browser/ui/app_list/search/tokenized_string_char_iterator_unittest.cc',
             'browser/ui/app_list/search/tokenized_string_match_unittest.cc',
             'browser/ui/app_list/search/tokenized_string_unittest.cc',
           ],
           'dependencies': [
@@ skipping 602 matching lines @@
           },
           'sources': [
             '../third_party/cld/encodings/compact_lang_det/compact_lang_det_unittest_small.cc',
           ],
           'dependencies': [
             '../third_party/cld/cld.gyp:cld',
           ],
         }],
         ['enable_app_list==1', {
           'sources': [
+            'browser/ui/app_list/extension_app_model_builder_unittest.cc',
             'browser/ui/app_list/test/fast_show_pickler_unittest.cc',
           ],
         }],
       ],
     },
     {
       'target_name': 'chrome_app_unittests',
       'type': 'executable',
       'dependencies': [
         # unit tests should only depend on
@@ skipping 136 matching lines @@
               'sources': [
                 'browser/ui/views/app_list/win/app_list_win_unittest.cc',
               ],
             }],  # 'OS=="win"'
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }