Add initial code for verifying a certificate chain.

net/net.gypi

 # Copyright 2014 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 78 matching lines @@
       'cert/internal/parse_certificate.cc',
       'cert/internal/parse_certificate.h',
       'cert/internal/signature_algorithm.cc',
       'cert/internal/signature_algorithm.h',
       'cert/internal/signature_policy.cc',
       'cert/internal/signature_policy.h',
       'cert/internal/verify_name_match.cc',
       'cert/internal/verify_name_match.h',
       'cert/internal/verify_signed_data.cc',
       'cert/internal/verify_signed_data.h',
+      'cert/internal/verify_certificate_chain.cc',
+      'cert/internal/verify_certificate_chain.h',
       'cert/pem_tokenizer.cc',
       'cert/pem_tokenizer.h',
       'cert/sha256_legacy_support_win.cc',
       'cert/sha256_legacy_support_win.h',
       'cert/signed_certificate_timestamp.cc',
       'cert/signed_certificate_timestamp.h',
       'cert/signed_tree_head.h',
       'cert/x509_cert_types.cc',
       'cert/x509_cert_types.h',
       'cert/x509_certificate.cc',
@@ skipping 1197 matching lines @@
       'cert/ct_objects_extractor_unittest.cc',
       'cert/ct_serialization_unittest.cc',
       'cert/ev_root_ca_metadata_unittest.cc',
       'cert/internal/certificate_policies_unittest.cc',
       'cert/internal/extended_key_usage_unittest.cc',
       'cert/internal/name_constraints_unittest.cc',
       'cert/internal/parse_certificate_unittest.cc',
       'cert/internal/signature_algorithm_unittest.cc',
       'cert/internal/test_helpers.cc',
       'cert/internal/test_helpers.h',
+      'cert/internal/verify_certificate_chain_unittest.cc',
       'cert/internal/verify_name_match_unittest.cc',
       'cert/internal/verify_signed_data_unittest.cc',
       'cert/jwk_serializer_unittest.cc',
       'cert/multi_log_ct_verifier_unittest.cc',
       'cert/multi_threaded_cert_verifier_unittest.cc',
       'cert/nss_cert_database_chromeos_unittest.cc',
       'cert/nss_cert_database_unittest.cc',
       'cert/nss_profile_filter_chromeos_unittest.cc',
       'cert/pem_tokenizer_unittest.cc',
       'cert/sha256_legacy_support_win_unittest.cc',
@@ skipping 572 matching lines @@
       'docs/bug-triage.md',
       'docs/bug-triage-labels.md',
       'docs/bug-triage-suggested-workflow.md',
       'docs/code-patterns.md',
       'docs/life-of-a-url-request.md',
       'sdch/README.md',
     ],
     'net_docs_output_dir': '<(PRODUCT_DIR)/net/docs',
   }
 }