Continue with the FreeBSD port - this version builds and links, though...

net/net.gyp

 # Copyright (c) 2009 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,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 357 matching lines @@
       ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
       ],
       'conditions': [
         ['javascript_engine=="v8"', {
           'dependencies': [
             '../v8/tools/gyp/v8.gyp:v8',
           ],
         }],
-        [ 'OS == "linux"', {
+        [ 'OS == "linux" or OS == "freebsd"', {
           'dependencies': [
             '../build/linux/system.gyp:gconf',
             '../build/linux/system.gyp:gdk',
             '../build/linux/system.gyp:nss',
           ],
         }],
         [ 'OS == "win"', {
             'sources/': [ ['exclude', '_(mac|linux|posix)\\.cc$'] ],
             'sources!': [
               'http/http_auth_handler_ntlm_portable.cc',
               'socket/tcp_client_socket_libevent.cc',
             ],
             'dependencies': [
               'tld_cleanup',
             ],
           },
           {  # else: OS != "win"
             'sources!': [
               'base/wininet_util.cc',
               'base/winsock_init.cc',
               'proxy/proxy_resolver_winhttp.cc',
               'url_request/url_request_ftp_job.cc',
               'url_request/url_request_inet_job.cc',
             ],
           },
         ],
-        [ 'OS == "linux"', {
+        [ 'OS == "linux" or OS == "freebsd"', {
             'sources/': [ ['exclude', '_(mac|win)\\.cc$'] ],
           },
-          {  # else: OS != "linux"
+          {  # else: OS != "linux" and OS != "freebsd"
             'sources!': [
               'base/nss_memio.c',
               'base/nss_memio.h',
               'base/x509_certificate_nss.cc',
               'ocsp/nss_ocsp.cc',
               'ocsp/nss_ocsp.h',
               'socket/ssl_client_socket_nss.cc',
               'socket/ssl_client_socket_nss.h',
             ],
             # Get U_STATIC_IMPLEMENTATION and -I directories on Linux.
             'dependencies': [
               '../third_party/icu/icu.gyp:icui18n',
               '../third_party/icu/icu.gyp:icuuc',
             ],
           },
         ],
+        [ 'OS == "freebsd"', {
+            'sources!': [ 'proxy/proxy_config_service_linux.cc' ],
+          },
+        ],
         [ 'OS == "mac"', {
             'sources/': [ ['exclude', '_(linux|win)\\.cc$'] ],
             'link_settings': {
               'libraries': [
                 '$(SDKROOT)/System/Library/Frameworks/Security.framework',
                 '$(SDKROOT)/System/Library/Frameworks/SystemConfiguration.framework',
               ]
             },
           },
         ],
@@ skipping 99 matching lines @@
         [ 'OS == "win"', {
             'sources/': [ ['exclude', '_(mac|linux|posix)_unittest\\.cc$'] ],
           },
         ],
         [ 'OS != "win"', {
             'sources!': [
               'base/wininet_util_unittest.cc',
             ],
           },
         ],
-        [ 'OS == "linux"', {
+        [ 'OS == "linux" or OS == "freebsd"', {
             'sources/': [ ['exclude', '_(mac|win)_unittest\\.cc$'] ],
             'dependencies': [
               '../build/linux/system.gyp:gtk',
             ],
             'sources!': [
               'base/sdch_filter_unittest.cc',
             ],
           },
         ],
         [ 'OS == "mac"', {
@@ skipping 181 matching lines @@
             'tools/dump_cache/dump_cache.cc',
             'tools/dump_cache/dump_files.cc',
             'tools/dump_cache/upgrade.cc',
             'tools/dump_cache/url_to_filename_encoder.h',
           ],
         },
       ],
     }],
   ],
 }