Add AtomicFlag class to base/......

base/base.gyp

 # Copyright (c) 2009 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 45 matching lines @@
         'third_party/xdg_mime/xdgmimeicon.h',
         'third_party/xdg_mime/xdgmimeint.c',
         'third_party/xdg_mime/xdgmimeint.h',
         'third_party/xdg_mime/xdgmimemagic.c',
         'third_party/xdg_mime/xdgmimemagic.h',
         'third_party/xdg_mime/xdgmimeparent.c',
         'third_party/xdg_mime/xdgmimeparent.h',
         'atomicops_internals_x86_gcc.cc',
         'at_exit.cc',
         'at_exit.h',
+        'atomic_flag.h',
+        'atomic_flag.cc',
         'atomic_ref_count.h',
         'atomic_sequence_num.h',
         'atomicops.h',
         'atomicops_internals_x86_msvc.h',
         'base_drag_source.cc',
         'base_drag_source.h',
         'base_drop_target.cc',
         'base_drop_target.h',
         'base_paths.cc',
         'base_paths.h',
@@ skipping 469 matching lines @@
       'type': 'executable',
       'msvs_guid': '27A30967-4BBA-48D1-8522-CDE95F7B1CEC',
       'sources': [
         # Infrastructure files.
         'multiprocess_test.h',
         'test/run_all_unittests.cc',
         'test/test_suite.h',
 
         # Tests.
         'at_exit_unittest.cc',
+        'atomic_flag_unittest.cc',
         'atomicops_unittest.cc',
         'command_line_unittest.cc',
         'condition_variable_unittest.cc',
         'crypto/rsa_private_key_unittest.cc',
         'crypto/signature_creator_unittest.cc',
         'crypto/signature_verifier_unittest.cc',
         'data_pack_unittest.cc',
         'debug_util_unittest.cc',
         'directory_watcher_unittest.cc',
         'field_trial_unittest.cc',
@@ skipping 264 matching lines @@
       ],
     }],
   ],
 }
 
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