Add device-level token entryption to CertLibrary.

chrome/browser/chromeos/cros/mock_cert_library.h

Index: chrome/browser/chromeos/cros/mock_cert_library.h
diff --git a/chrome/browser/chromeos/cros/mock_cert_library.h b/chrome/browser/chromeos/cros/mock_cert_library.h
index b8c9d913a72fa69ada09187e51b6a0ed7b7d8b8b..b3f7c41298908926887233f68d31a3ede90e05f0 100644
--- a/chrome/browser/chromeos/cros/mock_cert_library.h
+++ b/chrome/browser/chromeos/cros/mock_cert_library.h
@@ -26,8 +26,12 @@ class MockCertLibrary : public CertLibrary {
   MOCK_CONST_METHOD0(GetUserCertificates, const CertList&());
   MOCK_CONST_METHOD0(GetServerCertificates, const CertList&());
   MOCK_CONST_METHOD0(GetCACertificates, const CertList&());
-  MOCK_METHOD1(EncryptToken, std::string(const std::string& token));
-  MOCK_METHOD1(DecryptToken, std::string(const std::string& encrypted_token));
+  MOCK_METHOD1(EncryptWithSystemSalt, std::string(const std::string& token));
+  MOCK_METHOD1(DecryptWithSystemSalt, std::string(
+      const std::string& encrypted_token));
+  MOCK_METHOD1(EncryptWithUserKey, std::string(const std::string& token));
+  MOCK_METHOD1(DecryptWithUserKey, std::string(
+      const std::string& encrypted_token));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockCertLibrary);