This applies GUIDs to certificate and key nicknames when

net/base/cert_database_openssl.cc

Index: net/base/cert_database_openssl.cc
diff --git a/net/base/cert_database_openssl.cc b/net/base/cert_database_openssl.cc
index 76bd3f810a3a3b4bcbbdb2b46e6457c5d821a9d0..ca429c08238f4ee56b5578711d2493924cf4bed1 100644
--- a/net/base/cert_database_openssl.cc
+++ b/net/base/cert_database_openssl.cc
@@ -82,13 +82,6 @@ bool CertDatabase::DeleteCertAndKey(const X509Certificate* cert) {
   return false;
 }
 
-bool CertDatabase::DeleteCertAndKeyByLabel(const std::string& label) {
-  // TODO(gspencer):Find the certificate with the given label
-  // (nickname), and delete it.
-  NOTIMPLEMENTED();
-  return false;
-}
-
 CertDatabase::TrustBits CertDatabase::GetCertTrust(const X509Certificate* cert,
                                                    CertType type) const {
   // TODO(bulach): implement me.