Extract ScopedTestNSSDB from nss_util.

net/cert/nss_cert_database_chromeos_unittest.cc

 // Copyright 2013 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 "net/cert/nss_cert_database_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/run_loop.h"
-#include "crypto/nss_util.h"
 #include "crypto/nss_util_internal.h"
+#include "crypto/scoped_test_nss_chromeos_user.h"
 #include "net/base/test_data_directory.h"
 #include "net/cert/cert_database.h"
 #include "net/test/cert_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 bool IsCertInCertificateList(const X509Certificate* cert,
@@ skipping 247 matching lines @@
   EXPECT_EQ(0U, certlist.size());
 
   db_1_.reset();
 
   base::RunLoop().RunUntilIdle();
 
   EXPECT_LT(0U, certlist.size());
 }
 
 }  // namespace net