Use close$NOCANCEL on the Mac

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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 229 matching lines @@
           'location.h',
           'logging.cc',
           'logging.h',
           'logging_win.cc',
           'logging_win.h',
           'mac/authorization_util.h',
           'mac/authorization_util.mm',
           'mac/bind_objc_block.h',
           'mac/bundle_locations.h',
           'mac/bundle_locations.mm',
+          'mac/close_nocancel.cc',
           'mac/cocoa_protocols.h',
           'mac/foundation_util.h',
           'mac/foundation_util.mm',
           'mac/launch_services_util.cc',
           'mac/launch_services_util.h',
           'mac/launchd.cc',
           'mac/launchd.h',
           'mac/libdispatch_task_runner.cc',
           'mac/libdispatch_task_runner.h',
           'mac/mac_logging.h',
@@ skipping 639 matching lines @@
           ['<(use_system_nspr)==1 and >(nacl_untrusted_build)==0', {
             'sources/': [
               ['exclude', '^third_party/nspr/'],
             ],
           }],
         ],
       }],
     ],
   },
 }