Move safe_strerror to posix directory and the base namespace

base/base.gypi

 # Copyright (c) 2012 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.
 
 {
   'includes': [
     'trace_event/trace_event.gypi',
   ],
   'target_defaults': {
     'variables': {
@@ skipping 418 matching lines @@
           'path_service.cc',
           'path_service.h',
           'pending_task.cc',
           'pending_task.h',
           'pickle.cc',
           'pickle.h',
           'port.h',
           'posix/eintr_wrapper.h',
           'posix/global_descriptors.cc',
           'posix/global_descriptors.h',
+          'posix/safe_strerror.cc',
+          'posix/safe_strerror.h',
           'posix/unix_domain_socket_linux.cc',
           'posix/unix_domain_socket_linux.h',
           'power_monitor/power_monitor.cc',
           'power_monitor/power_monitor.h',
           'power_monitor/power_monitor_device_source.cc',
           'power_monitor/power_monitor_device_source.h',
           'power_monitor/power_monitor_device_source_android.cc',
           'power_monitor/power_monitor_device_source_android.h',
           'power_monitor/power_monitor_device_source_chromeos.cc',
           'power_monitor/power_monitor_device_source_ios.mm',
@@ skipping 66 matching lines @@
           'profiler/stack_sampling_profiler_win.cc',
           'profiler/tracked_time.cc',
           'profiler/tracked_time.h',
           'rand_util.cc',
           'rand_util.h',
           'rand_util_nacl.cc',
           'rand_util_posix.cc',
           'rand_util_win.cc',
           'run_loop.cc',
           'run_loop.h',
-          'safe_strerror_posix.cc',
-          'safe_strerror_posix.h',
           'scoped_generic.h',
           'scoped_native_library.cc',
           'scoped_native_library.h',
           'scoped_observer.h',
           'sequence_checker.h',
           'sequence_checker_impl.cc',
           'sequence_checker_impl.h',
           'sequenced_task_runner.cc',
           'sequenced_task_runner.h',
           'sequenced_task_runner_helpers.h',
@@ skipping 492 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }