Fix gn bootstrap after https://codereview.chromium.org/2872503003

tools/gn/bootstrap/bootstrap.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 # This file isn't officially supported by the Chromium project. It's maintained
 # on a best-effort basis by volunteers, so some things may be broken from time
 # to time. If you encounter errors, it's most often due to files in base that
 # have been added or moved since somebody last tried this script. Generally
 # such errors are easy to diagnose.
@@ skipping 389 matching lines @@
       'base/allocator/allocator_extension.cc',
       'base/at_exit.cc',
       'base/base_paths.cc',
       'base/base_switches.cc',
       'base/build_time.cc',
       'base/callback_helpers.cc',
       'base/callback_internal.cc',
       'base/command_line.cc',
       'base/debug/activity_tracker.cc',
       'base/debug/alias.cc',
+      'base/debug/crash_logging.cc',
       'base/debug/dump_without_crashing.cc',
       'base/debug/stack_trace.cc',
       'base/debug/task_annotator.cc',
       'base/environment.cc',
       'base/feature_list.cc',
       'base/files/file.cc',
       'base/files/file_descriptor_watcher_posix.cc',
       'base/files/file_enumerator.cc',
       'base/files/file_path.cc',
       'base/files/file_path_constants.cc',
@@ skipping 248 matching lines @@
       static_libraries['libevent']['include_dirs'].extend([
           os.path.join(SRC_ROOT, 'base', 'third_party', 'libevent', 'aix')
       ])
       static_libraries['libevent']['include_dirs'].extend([
           os.path.join(SRC_ROOT, 'base', 'third_party', 'libevent', 'compat')
       ])
 
   if is_mac:
     static_libraries['base']['sources'].extend([
         'base/base_paths_mac.mm',
-        'base/build_time.cc',
-        'base/rand_util.cc',
-        'base/rand_util_posix.cc',
         'base/files/file_util_mac.mm',
         'base/mac/bundle_locations.mm',
         'base/mac/call_with_eh_frame.cc',
         'base/mac/call_with_eh_frame_asm.S',
         'base/mac/foundation_util.mm',
         'base/mac/mach_logging.cc',
         'base/mac/scoped_mach_port.cc',
         'base/mac/scoped_mach_vm.cc',
         'base/mac/scoped_nsautorelease_pool.mm',
         'base/memory/shared_memory_handle_mac.cc',
         'base/memory/shared_memory_mac.cc',
         'base/message_loop/message_pump_mac.mm',
-        'base/metrics/field_trial.cc',
         'base/process/process_handle_mac.cc',
         'base/process/process_info_mac.cc',
         'base/process/process_iterator_mac.cc',
         'base/process/process_metrics_mac.cc',
         'base/strings/sys_string_conversions_mac.mm',
+        'base/sys_info_mac.mm',
         'base/time/time_mac.cc',
         'base/threading/platform_thread_mac.mm',
         'base/trace_event/malloc_dump_provider.cc',
     ])
     static_libraries['libevent']['include_dirs'].extend([
         os.path.join(SRC_ROOT, 'base', 'third_party', 'libevent', 'mac')
     ])
     static_libraries['libevent']['sources'].extend([
         'base/third_party/libevent/kqueue.c',
     ])
@@ skipping 30 matching lines @@
         'base/process/kill_win.cc',
         'base/process/launch_win.cc',
         'base/process/memory_win.cc',
         'base/process/process_handle_win.cc',
         'base/process/process_info_win.cc',
         'base/process/process_iterator_win.cc',
         'base/process/process_metrics_win.cc',
         'base/process/process_win.cc',
         'base/profiler/native_stack_sampler_win.cc',
         'base/profiler/win32_stack_frame_unwinder.cc',
-        'base/rand_util.cc',
         'base/rand_util_win.cc',
         'base/strings/sys_string_conversions_win.cc',
         'base/sync_socket_win.cc',
         'base/synchronization/condition_variable_win.cc',
         'base/synchronization/lock_impl_win.cc',
         'base/synchronization/read_write_lock_win.cc',
         'base/synchronization/waitable_event_watcher_win.cc',
         'base/synchronization/waitable_event_win.cc',
         'base/sys_info_win.cc',
         'base/threading/platform_thread_win.cc',
@@ skipping 58 matching lines @@
     cmd.append('-v')
   cmd.append('gn')
   check_call(cmd)
 
   if not options.debug and not is_win:
     check_call(['strip', os.path.join(build_dir, 'gn')])
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))