exclude the linux files that are not needed on openbsd

net/net.gyp

 # Copyright (c) 2011 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,
     'conditions': [
@@ skipping 724 matching lines @@
           'process_outputs_as_sources': 1,
         },
       ],
       'conditions': [
         ['chromeos==1', {
           'sources!': [
              'proxy/proxy_config_service_linux.cc',
              'proxy/proxy_config_service_linux.h',
           ],
         }],
-        ['OS=="openbsd"', {
-          'sources': [
-            'base/platform_mime_util_linux.cc',
-          ],
-        }],
         ['use_kerberos==1', {
           'defines': [
             'USE_KERBEROS',
           ],
           'conditions': [
             ['linux_link_kerberos==1', {
               'link_settings': {
                 'ldflags': [
                   '<!@(krb5-config --libs gssapi)',
                 ],
@@ skipping 71 matching lines @@
               ['use_openssl==1', {
                 'dependencies': [
                   '../third_party/openssl/openssl.gyp:openssl',
                 ],
               },
               {  # else use_openssl==0, use NSS
                 'dependencies': [
                   '../build/linux/system.gyp:ssl',
                 ],
               }],
-              ['OS!="openbsd"', {
+              ['OS=="openbsd"', {
+                'sources!': [
+                  'base/network_change_notifier_linux.cc',
+                  'base/network_change_notifier_netlink_linux.cc',
+                  'proxy/proxy_config_service_linux.cc',
+                ],
+              },{
                 'dependencies': [
                   '../build/linux/system.gyp:libresolv',
                 ],
               }],
               ['OS=="solaris"', {
                 'link_settings': {
                   'ldflags': [
                     '-R/usr/lib/mps',
                   ],
                 },
@@ skipping 770 matching lines @@
             'tools/dump_cache/url_to_filename_encoder.cc',
             'tools/dump_cache/url_to_filename_encoder.h',
             'tools/dump_cache/url_utilities.h',
             'tools/dump_cache/url_utilities.cc',
           ],
         },
       ],
     }],
   ],
 }