Enable passing cast channel certificate authority keys.

net/cert/x509_certificate.cc

 // 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.
 
 #include "net/cert/x509_certificate.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 691 matching lines @@
   encoded_chain.push_back(pem_data);
   for (size_t i = 0; i < intermediate_ca_certs_.size(); ++i) {
     if (!GetPEMEncoded(intermediate_ca_certs_[i], &pem_data))
       return false;
     encoded_chain.push_back(pem_data);
   }
   pem_encoded->swap(encoded_chain);
   return true;
 }
 
+const SHA256HashValue X509Certificate::fingerprint256() const {
+  net::X509Certificate::OSCertHandles intermediate;
+  return CalculateChainFingerprint256(os_cert_handle(), intermediate);
+}
+
 // static
 SHA256HashValue X509Certificate::CalculateCAFingerprint256(
     const OSCertHandles& intermediates) {
   SHA256HashValue sha256;
   memset(sha256.data, 0, sizeof(sha256.data));
 
   scoped_ptr<crypto::SecureHash> hash(
       crypto::SecureHash::Create(crypto::SecureHash::SHA256));
 
   for (size_t i = 0; i < intermediates.size(); ++i) {
@@ skipping 40 matching lines @@
     RemoveFromCache(cert_handle_);
     FreeOSCertHandle(cert_handle_);
   }
   for (size_t i = 0; i < intermediate_ca_certs_.size(); ++i) {
     RemoveFromCache(intermediate_ca_certs_[i]);
     FreeOSCertHandle(intermediate_ca_certs_[i]);
   }
 }
 
 }  // namespace net