RefCounted types should not have public destructors, chromeos edition

chrome/browser/chromeos/login/mock_authenticator.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_LOGIN_MOCK_AUTHENTICATOR_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_AUTHENTICATOR_H_
 #pragma once
 
 #include <string>
 
@@ skipping 47 matching lines @@
       const std::string& old_password) OVERRIDE {}
 
   virtual void ResyncEncryptedData() OVERRIDE {}
 
   virtual void RetryAuth(Profile* profile,
                          const std::string& username,
                          const std::string& password,
                          const std::string& login_token,
                          const std::string& login_captcha) OVERRIDE {}
 
+ protected:
+  virtual ~MockAuthenticator() {}
+
  private:
   std::string expected_username_;
   std::string expected_password_;
 
   DISALLOW_COPY_AND_ASSIGN(MockAuthenticator);
 };
 
 class TestLoginUtils : public LoginUtils {
  public:
   TestLoginUtils(const std::string& expected_username,
@@ skipping 46 matching lines @@
   std::string expected_username_;
   std::string expected_password_;
   std::string auth_token_;
 
   DISALLOW_COPY_AND_ASSIGN(TestLoginUtils);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MOCK_AUTHENTICATOR_H_