Add device-level token entryption to CertLibrary.

chrome/browser/chromeos/cros/mock_cert_library.h

 // Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_CROS_MOCK_CERT_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_MOCK_CERT_LIBRARY_H_
 
 #include "chrome/browser/chromeos/cros/cert_library.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace chromeos {
 
 class MockCertLibrary : public CertLibrary {
  public:
   MockCertLibrary();
   virtual ~MockCertLibrary();
 
   MOCK_METHOD1(AddObserver, void(Observer* observer));
   MOCK_METHOD1(RemoveObserver, void(Observer* observer));
   MOCK_METHOD0(LoadKeyStore, void());
   MOCK_CONST_METHOD0(CertificatesLoading, bool());
   MOCK_CONST_METHOD0(CertificatesLoaded, bool());
   MOCK_CONST_METHOD0(IsHardwareBacked, bool());
   MOCK_CONST_METHOD0(GetTpmTokenName, const std::string&());
   MOCK_CONST_METHOD0(GetCertificates, const CertList&());
   MOCK_CONST_METHOD0(GetUserCertificates, const CertList&());
   MOCK_CONST_METHOD0(GetServerCertificates, const CertList&());
   MOCK_CONST_METHOD0(GetCACertificates, const CertList&());
+  MOCK_METHOD1(EncryptDeviceToken, std::string(const std::string& token));
+  MOCK_METHOD1(DecryptDeviceToken, std::string(
+      const std::string& encrypted_token));
   MOCK_METHOD1(EncryptToken, std::string(const std::string& token));
   MOCK_METHOD1(DecryptToken, std::string(const std::string& encrypted_token));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCertLibrary);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_MOCK_CERT_LIBRARY_H_