Remove one-time flags when restarting after update....

chrome/chrome_tests.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.
 
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_dll_resource.h',
       'common/pref_names.cc',
       'common/pref_names.h',
@@ skipping 1327 matching lines @@
         'common/plugin_group_unittest.cc',
         'common/process_watcher_unittest.cc',
         'common/property_bag_unittest.cc',
         'common/render_messages_unittest.cc',
         'common/resource_dispatcher_unittest.cc',
         'common/sandbox_mac_diraccess_unittest.mm',
         'common/sandbox_mac_fontloading_unittest.mm',
         'common/sandbox_mac_unittest_helper.h',
         'common/sandbox_mac_unittest_helper.mm',
         'common/sandbox_mac_system_access_unittest.mm',
+        'common/switch_utils_unittest.cc',
         'common/thumbnail_score_unittest.cc',
         'common/time_format_unittest.cc',
         'common/worker_thread_ticker_unittest.cc',
         'common/zip_unittest.cc',
         'gpu/gpu_idirect3d9_mock_win.h',
         'gpu/gpu_info_unittest_win.cc',
         'renderer/audio_message_filter_unittest.cc',
         'renderer/extensions/extension_api_json_validity_unittest.cc',
         'renderer/extensions/extension_renderer_info_unittest.cc',
         'renderer/extensions/json_schema_unittest.cc',
@@ skipping 1626 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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