Linux: implement Client SSL Certificate selection UI

chrome/third_party/mozilla_security_manager/nsNSSCertificate.cpp

 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
@@ skipping 22 matching lines @@
  * use your version of this file under the terms of the MPL, indicate your
  * decision by deleting the provisions above and replace them with the notice
  * and other provisions required by the GPL or the LGPL. If you do not delete
  * the provisions above, a recipient may use your version of this file under
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
  * ***** END LICENSE BLOCK ***** */
 
 #include "chrome/third_party/mozilla_security_manager/nsNSSCertificate.h"
 
+#include <pk11func.h>
+
+#include "app/l10n_util.h"
+#include "grit/generated_resources.h"
+
 namespace mozilla_security_manager {
 
 std::string GetCertTitle(CERTCertificate* cert) {
   std::string rv;
   if (cert->nickname) {
     rv = cert->nickname;
   } else {
     char* cn = CERT_GetCommonName(&cert->subject);
     if (cn) {
       rv = cn;
       PORT_Free(cn);
     } else if (cert->subjectName) {
       rv = cert->subjectName;
     } else if (cert->emailAddr) {
       rv = cert->emailAddr;
     }
   }
   // TODO(mattm): Should we return something other than an empty string when all
   // the checks fail?
   return rv;
 }
 
+std::string GetCertTokenName(CERTCertificate* cert) {
+  std::string token;
+  if (cert->slot) {
+    token = PK11_GetTokenName(cert->slot);
+  }
+  return token;
+}
+
 }  // namespace mozilla_security_manager