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

chrome/common/net/x509_certificate_model.cc

Index: chrome/common/net/x509_certificate_model.cc
diff --git a/chrome/common/net/x509_certificate_model.cc b/chrome/common/net/x509_certificate_model.cc
index bfc119217beb4baf99f1890772fd0de6e33adad5..863ac8dc30b2a1c6848c5547f2d4f9adc51cc44f 100644
--- a/chrome/common/net/x509_certificate_model.cc
+++ b/chrome/common/net/x509_certificate_model.cc
@@ -31,6 +31,15 @@ std::string ProcessIDN(const std::string& input) {
                                    input16, output16);
 }
 
+void GetCertChainFromCert(net::X509Certificate* cert,
+                          net::X509Certificate::OSCertHandles* cert_handles) {
+  cert_handles->clear();
+  cert_handles->insert(cert_handles->begin(), cert->os_cert_handle());
+  const net::X509Certificate::OSCertHandles& certs =
+      cert->GetIntermediateCertificates();
+  cert_handles->insert(cert_handles->end(), certs.begin(), certs.end());
+}
+
 std::string ProcessRawBytesWithSeparators(const unsigned char* data,
                                           size_t data_length,
                                           char hex_separator,