Work on Mac GN build

tools/gn/secondary/chrome/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/ui.gni")
 import("//tools/grit/grit_rule.gni")
 
 executable("chrome") {
   sources = [
@@ skipping 63 matching lines @@
       "//build/config/linux:x11",
     ]
   }
 
   deps = [
     "//third_party/expat",
   ]
 }
 
 static_library("common") {
-  if (use_nss && is_linux) {
+  if (!use_openssl && is_linux) {
     # common/net uses NSS.
     # TODO(brettw) have a better way to express this without having to do
     # "if (use_nss)" everywhere.
     configs += [ "//third_party/nss:nss_linux_config" ]
   }
   deps = [
   ]
 }
 
 # TODO(brettw) move to browser/devtools/BUILD.gn
@@ skipping 193 matching lines @@
 #    ":theme_resources_gen",
 #    #"//ui:ui_resources",
 #  ]
 #}
 #
 ## TODO(brettw) rename "app_theme_resources" or something when we don't support
 ## GYP any more. This name is required to match the GYP build.
 #grit("theme_resources_gen") {
 #  source = "app/theme/theme_resources.grd"
 #}