Fix webui cert viewer showing wrong cert chain on NSS and no chain on OpenSSL.

chrome/common/net/x509_certificate_model_openssl.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/common/net/x509_certificate_model.h"
 
 #include <openssl/bio.h>
 #include <openssl/obj_mac.h>
 #include <openssl/sha.h>
 #include <openssl/x509v3.h>
@@ skipping 1116 matching lines @@
 
 std::string HashCertSHA1(net::X509Certificate::OSCertHandle cert_handle) {
   unsigned char sha1_data[SHA_DIGEST_LENGTH] = {0};
   unsigned int sha1_size = sizeof(sha1_data);
   int ret = X509_digest(cert_handle, EVP_sha1(), sha1_data, &sha1_size);
   DCHECK(ret);
   DCHECK_EQ(sha1_size, sizeof(sha1_data));
   return ProcessRawBytes(sha1_data, sha1_size);
 }
 
-void GetCertChainFromCert(net::X509Certificate::OSCertHandle cert_handle,
-                          net::X509Certificate::OSCertHandles* cert_handles) {
-  // TODO(bulach): how to get the chain out of a certificate?
-  cert_handles->push_back(net::X509Certificate::DupOSCertHandle(cert_handle));
-}
-
-void DestroyCertChain(net::X509Certificate::OSCertHandles* cert_handles) {
-  for (net::X509Certificate::OSCertHandles::iterator i = cert_handles->begin();
-       i != cert_handles->end(); ++i)
-    X509_free(*i);
-  cert_handles->clear();
-}
-
 std::string GetCMSString(const net::X509Certificate::OSCertHandles& cert_chain,
                          size_t start, size_t end) {
   std::string rv;
   crypto::ScopedOpenSSL<PKCS7, PKCS7_free> p7(PKCS7_new());
   if (!p7.get())
     return rv;
   if (!PKCS7_set_type(p7.get(), NID_pkcs7_signed))
     return rv;
 
   for (size_t i = start; i < end; ++i) {
@@ skipping 55 matching lines @@
       return rv;
   }
 }
 
 std::string ProcessRawBitsSignatureWrap(
     net::X509Certificate::OSCertHandle cert_handle) {
   return ProcessRawAsn1String(cert_handle->signature);
 }
 
 }  // namespace x509_certificate_model