Make NSSCertDatabase::ListCerts work async on a worker thread.

net/net.gyp

 # Copyright 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'use_tracing_cache_backend%': 0,
@@ skipping 280 matching lines @@
         'cert/jwk_serializer_openssl.cc',
         'cert/jwk_serializer.h',
         'cert/multi_log_ct_verifier.cc',
         'cert/multi_log_ct_verifier.h',
         'cert/multi_threaded_cert_verifier.cc',
         'cert/multi_threaded_cert_verifier.h',
         'cert/nss_cert_database.cc',
         'cert/nss_cert_database.h',
         'cert/nss_cert_database_chromeos.cc',
         'cert/nss_cert_database_chromeos.h',
+        'cert/nss_database_filter.cc',
+        'cert/nss_database_filter.h',
         'cert/nss_profile_filter_chromeos.cc',
         'cert/nss_profile_filter_chromeos.h',
         'cert/pem_tokenizer.cc',
         'cert/pem_tokenizer.h',
         'cert/scoped_nss_types.h',
         'cert/sct_status_flags.h',
         'cert/signed_certificate_timestamp.cc',
         'cert/signed_certificate_timestamp.h',
         'cert/single_request_cert_verifier.cc',
         'cert/single_request_cert_verifier.h',
@@ skipping 1017 matching lines @@
               'base/nss_memio.c',
               'base/nss_memio.h',
               'cert/cert_database_nss.cc',
               'cert/cert_verify_proc_nss.cc',
               'cert/cert_verify_proc_nss.h',
               'cert/ct_log_verifier_nss.cc',
               'cert/ct_objects_extractor_nss.cc',
               'cert/jwk_serializer_nss.cc',
               'cert/nss_cert_database.cc',
               'cert/nss_cert_database.h',
+              'cert/nss_database_filter.cc',
+              'cert/nss_database_filter.h',
               'cert/scoped_nss_types.h',
               'cert/test_root_certs_nss.cc',
               'cert/x509_certificate_nss.cc',
               'cert/x509_util_nss.cc',
               'cert/x509_util_nss.h',
               'ocsp/nss_ocsp.cc',
               'ocsp/nss_ocsp.h',
               'quic/crypto/aes_128_gcm_12_decrypter_nss.cc',
               'quic/crypto/aes_128_gcm_12_encrypter_nss.cc',
               'quic/crypto/channel_id_nss.cc',
@@ skipping 83 matching lines @@
               }],
             ],
           },
           {  # else: OS is not in the above list
             'sources!': [
               'base/crypto_module_nss.cc',
               'base/keygen_handler_nss.cc',
               'cert/cert_database_nss.cc',
               'cert/nss_cert_database.cc',
               'cert/nss_cert_database.h',
+              'cert/nss_database_filter.cc',
+              'cert/nss_database_filter.h',
               'cert/test_root_certs_nss.cc',
               'cert/x509_certificate_nss.cc',
               'ocsp/nss_ocsp.cc',
               'ocsp/nss_ocsp.h',
               'third_party/mozilla_security_manager/nsKeygenHandler.cpp',
               'third_party/mozilla_security_manager/nsKeygenHandler.h',
               'third_party/mozilla_security_manager/nsNSSCertificateDB.cpp',
               'third_party/mozilla_security_manager/nsNSSCertificateDB.h',
               'third_party/mozilla_security_manager/nsPKCS12Blob.cpp',
               'third_party/mozilla_security_manager/nsPKCS12Blob.h',
@@ skipping 1685 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }