Remove race condition when installing default apps into a new profile.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
@@ skipping 1293 matching lines @@
         'browser/extensions/extension_service_unittest.h',
         'browser/extensions/extension_special_storage_policy_unittest.cc',
         'browser/extensions/extension_sync_data_unittest.cc',
         'browser/extensions/extension_ui_unittest.cc',
         'browser/extensions/extension_updater_unittest.cc',
         'browser/extensions/extension_warning_set_unittest.cc',
         'browser/extensions/extension_webnavigation_unittest.cc',
         'browser/extensions/extension_webrequest_api_unittest.cc',
         'browser/extensions/extension_webrequest_time_tracker_unittest.cc',
         'browser/extensions/extensions_quota_service_unittest.cc',
+        'browser/extensions/external_extension_provider_impl_unittest.cc',
         'browser/extensions/external_policy_extension_loader_unittest.cc',
         'browser/extensions/file_reader_unittest.cc',
         'browser/extensions/image_loading_tracker_unittest.cc',
         'browser/extensions/in_memory_extension_settings_storage_unittest.cc',
         'browser/extensions/key_identifier_conversion_views_unittest.cc',
         'browser/extensions/network_delay_listener_unittest.cc',
         'browser/extensions/sandboxed_extension_unpacker_unittest.cc',
         'browser/extensions/user_script_listener_unittest.cc',
         'browser/extensions/user_script_master_unittest.cc',
         'browser/external_protocol/external_protocol_handler_unittest.cc',
@@ skipping 645 matching lines @@
           'sources!': [
             'browser/download/download_safe_browsing_client_unittest.cc',
           ],
           'sources/': [
             ['exclude', '^browser/safe_browsing/'],
             ['exclude', '^renderer/safe_browsing/'],
           ],
         }],
         ['chromeos==1', {
           'sources/': [
+            ['exclude', '^browser/extensions/external_extension_provider_impl_unittest.cc'],
             ['exclude', '^browser/password_manager/native_backend_gnome_x_unittest.cc'],
             ['exclude', '^browser/password_manager/native_backend_kwallet_x_unittest.cc'],
             ['exclude', '^../content/browser/geolocation/wifi_data_provider_linux_unittest.cc'],
             # TODO(thestig) Enable PrintPreviewUI tests on CrOS when
             # print preview is enabled on CrOS.
             ['exclude', '^browser/ui/webui/print_preview_ui_unittest.cc'],
           ],
         }, { # else: chromeos == 0
           'sources/': [
             ['exclude', '^browser/chromeos/'],
@@ skipping 2097 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }