Remove private system API calls in dns_config_service_posix on iOS

net/net.gyp

 # Copyright 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': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'use_tracing_cache_backend%': 0,
@@ skipping 456 matching lines @@
         'dns/address_sorter_posix.h',
         'dns/address_sorter_win.cc',
         'dns/dns_client.cc',
         'dns/dns_client.h',
         'dns/dns_config_service.cc',
         'dns/dns_config_service.h',
         'dns/dns_config_service_posix.cc',
         'dns/dns_config_service_posix.h',
         'dns/dns_config_service_win.cc',
         'dns/dns_config_service_win.h',
+        'dns/dns_config_watcher_mac.cc',
+        'dns/dns_config_watcher_mac.h',
         'dns/dns_hosts.cc',
         'dns/dns_hosts.h',
         'dns/dns_protocol.h',
         'dns/dns_query.cc',
         'dns/dns_query.h',
         'dns/dns_response.cc',
         'dns/dns_response.h',
         'dns/dns_session.cc',
         'dns/dns_session.h',
         'dns/dns_socket_pool.cc',
@@ skipping 1083 matching lines @@
             ['include', '^base/network_config_watcher_mac\\.cc$'],
             ['include', '^base/platform_mime_util_mac\\.mm$'],
             # The iOS implementation only partially uses NSS and thus does not
             # defines |use_nss|. In particular the |USE_NSS| preprocessor
             # definition is not used. The following files are needed though:
             ['include', '^cert/cert_verify_proc_nss\\.cc$'],
             ['include', '^cert/cert_verify_proc_nss\\.h$'],
             ['include', '^cert/test_root_certs_nss\\.cc$'],
             ['include', '^cert/x509_util_nss\\.cc$'],
             ['include', '^cert/x509_util_nss\\.h$'],
-            ['include', '^dns/notify_watcher_mac\\.cc$'],
             ['include', '^proxy/proxy_resolver_mac\\.cc$'],
             ['include', '^proxy/proxy_server_mac\\.cc$'],
             ['include', '^ocsp/nss_ocsp\\.cc$'],
             ['include', '^ocsp/nss_ocsp\\.h$'],
           ],
         }],
       ],
     },
     {
       'target_name': 'net_unittests',
@@ skipping 1525 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }