Rename use_nss to use_nss_certs in gyp and grit.

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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': {
     'chrome_unit_tests_sources': [
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
       '../components/autofill/content/renderer/test_password_generation_agent.h',
@@ skipping 2555 matching lines @@
             '../ui/views/views.gyp:views_test_support',
           ],
           'conditions': [
             # TODO(tapted): Enable toolkit-views unit_tests on Mac when their
             # respective implementations are linked in. http://crbug.com/412234.
             ['OS != "mac"', {
               'sources': [ '<@(chrome_unit_tests_views_sources)' ],
             }],
           ],
         }],
-        ['OS != "android" and (use_nss == 1 or use_openssl_certs == 1)', {
+        ['OS != "android" and (use_nss_certs == 1 or use_openssl_certs == 1)', {
           'sources': [
             'common/net/x509_certificate_model_unittest.cc',
           ],
         }],
         ['enable_supervised_users == 1', {
           'sources': [ '<@(chrome_unit_tests_supervised_user_sources)' ],
         }],
         ['safe_browsing==1 and enable_extensions==1', {
           'sources': [
             'browser/extensions/blacklist_unittest.cc',
@@ skipping 190 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }