Remove nss_util dependency from ClientCertStoreChromeOS.

chrome/chrome_browser_chromeos.gypi

 # Copyright (c) 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': {
     # These files lists are shared with the GN build.
     'browser_chromeos_sources': [
         # All .cc, .h, .m, and .mm files under browser/chromeos, except for tests
@@ skipping 629 matching lines @@
         'browser/chromeos/memory/low_memory_observer.cc',
         'browser/chromeos/memory/low_memory_observer.h',
         'browser/chromeos/memory/oom_priority_manager.cc',
         'browser/chromeos/memory/oom_priority_manager.h',
         'browser/chromeos/mobile/mobile_activator.cc',
         'browser/chromeos/mobile/mobile_activator.h',
         'browser/chromeos/mobile_config.cc',
         'browser/chromeos/mobile_config.h',
         'browser/chromeos/net/cert_verify_proc_chromeos.cc',
         'browser/chromeos/net/cert_verify_proc_chromeos.h',
+        'browser/chromeos/net/client_cert_filter_chromeos.cc',
+        'browser/chromeos/net/client_cert_filter_chromeos.h',
         'browser/chromeos/net/delay_network_call.cc',
         'browser/chromeos/net/delay_network_call.h',
         'browser/chromeos/net/network_portal_detector_impl.cc',
         'browser/chromeos/net/network_portal_detector_impl.h',
         'browser/chromeos/net/network_portal_detector_test_impl.cc',
         'browser/chromeos/net/network_portal_detector_test_impl.h',
         'browser/chromeos/net/network_portal_notification_controller.cc',
         'browser/chromeos/net/network_portal_notification_controller.h',
         'browser/chromeos/net/onc_utils.cc',
         'browser/chromeos/net/onc_utils.h',
@@ skipping 601 matching lines @@
         'browser/chromeos/attestation/attestation_signed_data.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }