Remove unused LoginPerformer::Delegate setter and member.

chrome/browser/chromeos/login/existing_user_controller.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_EXISTING_USER_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 196 matching lines @@
   void CompleteLoginInternal(
       const UserContext& user_context,
       DeviceSettingsService::OwnershipStatus ownership_status);
 
   // Creates |login_performer_| if necessary and calls login() on it.
   // The string arguments aren't passed by const reference because this is
   // posted as |resume_login_callback_| and resets it.
   void PerformLogin(const UserContext& user_context,
                     LoginPerformer::AuthorizationMode auth_mode);
 
-  void set_login_performer_delegate(LoginPerformer::Delegate* d) {
-    login_performer_delegate_.reset(d);
-  }
-
   // Updates the |login_display_| attached to this controller.
   void UpdateLoginDisplay(const user_manager::UserList& users);
 
   // Sends an accessibility alert event to extension listeners.
   void SendAccessibilityAlert(const std::string& alert_text);
 
   // Public session auto-login timer.
   scoped_ptr<base::OneShotTimer<ExistingUserController> > auto_login_timer_;
 
   // Public session auto-login timeout, in milliseconds.
   int public_session_auto_login_delay_;
 
   // Username for public session auto-login.
   std::string public_session_auto_login_username_;
 
   // Used to execute login operations.
   scoped_ptr<LoginPerformer> login_performer_;
 
-  // Delegate for login performer to be overridden by tests.
-  // |this| is used if |login_performer_delegate_| is NULL.
-  scoped_ptr<LoginPerformer::Delegate> login_performer_delegate_;
-
   // Delegate to forward all authentication status events to.
   // Tests can use this to receive authentication status events.
   AuthStatusConsumer* auth_status_consumer_;
 
   // Username of the last login attempt.
   std::string last_login_attempt_username_;
 
   // OOBE/login display host.
   LoginDisplayHost* host_;
 
@@ skipping 74 matching lines @@
       local_account_auto_login_delay_subscription_;
 
   FRIEND_TEST_ALL_PREFIXES(ExistingUserControllerTest, ExistingUserLogin);
 
   DISALLOW_COPY_AND_ASSIGN(ExistingUserController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_CONTROLLER_H_