Fix the clang bot.

chrome/browser/chromeos/login/mock_authenticator.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/login/mock_authenticator.h"
 
 namespace chromeos {
 
 bool MockAuthenticator::AuthenticateToLogin(Profile* profile,
                                  const std::string& username,
@@ skipping 42 matching lines @@
                             false);
 }
 
 void MockAuthenticator::OnLoginFailure(const LoginFailure& failure) {
     consumer_->OnLoginFailure(failure);
     VLOG(1) << "Posting a QuitTask to UI thread";
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE, new MessageLoop::QuitTask);
 }
 
+std::string MockAuthenticator::EncryptToken(const std::string& token) {
+  return std::string();
+}
+
+std::string MockAuthenticator::DecryptToken(
+    const std::string& encrypted_token) {
+  return std::string();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // MockLoginUtils
 
 MockLoginUtils::MockLoginUtils(const std::string& expected_username,
                                const std::string& expected_password)
     : expected_username_(expected_username),
       expected_password_(expected_password) {
 }
 
 MockLoginUtils::~MockLoginUtils() {}
@@ skipping 35 matching lines @@
     CommandLine* command_line) {
   return std::string();
 }
 
 bool MockLoginUtils::TransferDefaultCookies(Profile* default_profile,
                                                    Profile* new_profile) {
   return true;
 }
 
 }  // namespace chromeos