Remove unused user email argument from nss_util.

crypto/scoped_test_nss_chromeos_user.cc

 // Copyright 2014 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 "crypto/scoped_test_nss_chromeos_user.h"
 
 #include "base/logging.h"
 #include "crypto/nss_util.h"
 #include "crypto/nss_util_internal.h"
 
 namespace crypto {
 
 ScopedTestNSSChromeOSUser::ScopedTestNSSChromeOSUser(
     const std::string& username_hash)
     : username_hash_(username_hash), constructed_successfully_(false) {
   if (!temp_dir_.CreateUniqueTempDir())
     return;
   // This opens a software DB in the given folder. In production code that is in
   // the home folder, but for testing the temp folder is used.
-  constructed_successfully_ = InitializeNSSForChromeOSUser(
-      username_hash, username_hash, temp_dir_.path());
+  constructed_successfully_ =
+      InitializeNSSForChromeOSUser(username_hash, temp_dir_.path());
 }
 
 ScopedTestNSSChromeOSUser::~ScopedTestNSSChromeOSUser() {
   if (constructed_successfully_)
     CloseChromeOSUserForTesting(username_hash_);
 }
 
 void ScopedTestNSSChromeOSUser::FinishInit() {
   DCHECK(constructed_successfully_);
   if (!ShouldInitializeTPMForChromeOSUser(username_hash_))
     return;
   WillInitializeTPMForChromeOSUser(username_hash_);
   InitializePrivateSoftwareSlotForChromeOSUser(username_hash_);
 }
 
 }  // namespace crypto