Return the certificate chain in ClientCertStoreNSS.

net/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/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 213 matching lines @@
           "cert/nss_profile_filter_chromeos.cc",
           "cert/nss_profile_filter_chromeos.h",
         ]
       }
       sources -= [
         "ssl/client_key_store.cc",
         "ssl/client_key_store.h",
         "ssl/ssl_platform_key_nss.cc",
       ]
     } else {
-      # client_cert_store_nss.c requires NSS_CmpCertChainWCANames from NSS's
-      # libssl, but our bundled copy is not built in OpenSSL ports. Pull that
-      # file in directly.
-      sources += [ "third_party/nss/ssl/cmpcert.c" ]
+      sources += [
+        "third_party/nss/ssl/cmpcert.cc",
+        "third_party/nss/ssl/cmpcert.h",
+      ]
     }
 
     if (!use_nss_certs) {
       # These files are part of the partial implementation of NSS for
       # cert verification, so keep them in that case.
       sources -= [
         "cert/cert_verify_proc_nss.cc",
         "cert/cert_verify_proc_nss.h",
         "cert/test_root_certs_nss.cc",
         "cert/x509_util_nss.cc",
@@ skipping 1754 matching lines @@
     "url_request/url_request_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
   dict = "data/fuzzer_dictionaries/net_url_request_fuzzer.dict"
 }