Fix Mac GN build.

net/BUILD.gn

 # Copyright (c) 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//url/config.gni")
 
 # TODO(cjhopman): //build/config/android/rules.gni also imports grit_rule.gni.
@@ skipping 1174 matching lines @@
     }
   }
 
   if (use_openssl) {
     # When building for OpenSSL, we need to exclude NSS specific tests
     # or functionality not supported by OpenSSL yet.
     # TODO(bulach): Add equivalent tests when the underlying
     #               functionality is ported to OpenSSL.
     sources -= [
       "cert/nss_cert_database_unittest.cc",
-      "cert/nss_cert_database_chromeos_unittest.cc",
-      "cert/nss_profile_filter_chromeos_unittest.cc",
       "cert/x509_util_nss_unittest.cc",
       "quic/test_tools/crypto_test_utils_nss.cc",
     ]
+    if (is_chromeos) {
+      # These were already removed in the non-ChromeOS case.
+      sources -= [
+        "cert/nss_cert_database_chromeos_unittest.cc",
+        "cert/nss_profile_filter_chromeos_unittest.cc",
+      ]
+    }
   } else {
     sources -= [
       "cert/x509_util_openssl_unittest.cc",
       "quic/test_tools/crypto_test_utils_openssl.cc",
       "socket/ssl_client_socket_openssl_unittest.cc",
       "socket/ssl_session_cache_openssl_unittest.cc",
     ]
     if (!is_desktop_linux && !is_chromeos) {
       sources -= [ "cert/nss_cert_database_unittest.cc" ]
     }
@@ skipping 175 matching lines @@
   sources = [ "quic/quic_server_bin.cc" ]
   deps = [
     ":quic_tools",
     ":net",
     "//base",
     "//third_party/boringssl",
   ]
 }
 
 }  # !is_android