Componentize chrome/common/sync_util

chrome/chrome_common.gypi

 # Copyright (c) 2013 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': {
     # File lists shared with GN build.
     'chrome_common_sources': [
       'common/all_messages.h',
       'common/attrition_experiments.h',
@@ skipping 88 matching lines @@
       'common/search_urls.cc',
       'common/search_urls.h',
       'common/secure_origin_whitelist.cc',
       'common/secure_origin_whitelist.h',
       'common/spellcheck_bdict_language.h',
       'common/spellcheck_common.cc',
       'common/spellcheck_common.h',
       'common/spellcheck_marker.h',
       'common/spellcheck_messages.h',
       'common/spellcheck_result.h',
-      'common/sync_util.cc',
-      'common/sync_util.h',
       'common/switch_utils.cc',
       'common/switch_utils.h',
       'common/trace_event_args_whitelist.cc',
       'common/trace_event_args_whitelist.h',
       'common/tts_messages.h',
       'common/tts_utterance_request.cc',
       'common/tts_utterance_request.h',
       'common/url_constants.cc',
       'common/url_constants.h',
       'common/v8_breakpad_support_win.cc',
@@ skipping 533 matching lines @@
       'sources': [
         'common/resource_usage_reporter.mojom',
       ],
       'dependencies': [
         '../mojo/mojo_base.gyp:mojo_environment_chromium',
         '../third_party/mojo/mojo_public.gyp:mojo_cpp_bindings',
       ],
     },
   ],
 }