This applies GUIDs to certificate and key nicknames when

net/base/x509_certificate.cc

Index: net/base/x509_certificate.cc
diff --git a/net/base/x509_certificate.cc b/net/base/x509_certificate.cc
index efb19eeb718168d8e82a215e65bf925f75eb9364..82c85739bace7931c877b99b4878a698267556dd 100644
--- a/net/base/x509_certificate.cc
+++ b/net/base/x509_certificate.cc
@@ -305,6 +305,24 @@ X509Certificate* X509Certificate::CreateFromBytes(const char* data,
   return cert;
 }
 
+#if defined(USE_NSS)
+// static
+X509Certificate* X509Certificate::CreateFromBytesWithNickname(
+    const char* data,
+    int length,
+    const char* nickname) {
+  OSCertHandle cert_handle = CreateOSCertHandleFromBytesWithNickname(data,
+                                                                     length,
+                                                                     nickname);
+  if (!cert_handle)
+    return NULL;
+
+  X509Certificate* cert = CreateFromHandle(cert_handle, OSCertHandles());
+  FreeOSCertHandle(cert_handle);
+  return cert;
+}
+#endif
+
 // static
 X509Certificate* X509Certificate::CreateFromPickle(const Pickle& pickle,
                                                    void** pickle_iter,