Use per-user nssdb in onc certificate importer

chromeos/network/onc/mock_certificate_importer.h

 // 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.
 
 #ifndef CHROMEOS_NETWORK_ONC_MOCK_CERTIFICATE_IMPORTER_H_
 #define CHROMEOS_NETWORK_ONC_MOCK_CERTIFICATE_IMPORTER_H_
 
 #include "base/basictypes.h"
 #include "base/values.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/network/onc/onc_certificate_importer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 namespace onc {
 
 class CHROMEOS_EXPORT MockCertificateImporter : public CertificateImporter {
  public:
   MockCertificateImporter();
   virtual ~MockCertificateImporter();
-  MOCK_METHOD3(ImportCertificates, bool(const base::ListValue&,
+  MOCK_METHOD4(ImportCertificates, bool(const base::ListValue&,
                                         ::onc::ONCSource,
+                                        net::NSSCertDatabase*,
                                         net::CertificateList*));
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCertificateImporter);
 };
 
 }  // namespace onc
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_ONC_MOCK_CERTIFICATE_IMPORTER_H_