Standardize usage of virtual/override/final in chrome/browser/signin/

chrome/browser/signin/easy_unlock_screenlock_state_handler.h

 // Copyright 2014 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_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 43 matching lines @@
   };
 
   // |user_email|: The email for the user associated with the profile to which
   //     this class is attached.
   // |initial_hardlock_state|: The initial hardlock state.
   // |screenlock_bridge|: The screenlock bridge used to update the screen lock
   //     state.
   EasyUnlockScreenlockStateHandler(const std::string& user_email,
                                    HardlockState initial_hardlock_state,
                                    ScreenlockBridge* screenlock_bridge);
-  virtual ~EasyUnlockScreenlockStateHandler();
+  ~EasyUnlockScreenlockStateHandler() override;
 
   // Returns true if handler is not in INACTIVE state.
   bool IsActive() const;
 
   // Changes internal state to |new_state| and updates the user's screenlock
   // accordingly.
   void ChangeState(State new_state);
 
   // Updates the screenlock state.
   void SetHardlockState(HardlockState new_state);
 
   // Shows the hardlock UI if the hardlock_state_ is not NO_HARDLOCK.
   void MaybeShowHardlockUI();
 
   // Marks the current screenlock state as the one for trial Easy Unlock run.
   void SetTrialRun();
 
  private:
   // ScreenlockBridge::Observer:
-  virtual void OnScreenDidLock() override;
-  virtual void OnScreenDidUnlock() override;
-  virtual void OnFocusedUserChanged(const std::string& user_id) override;
+  void OnScreenDidLock() override;
+  void OnScreenDidUnlock() override;
+  void OnFocusedUserChanged(const std::string& user_id) override;
 
   // Forces refresh of the Easy Unlock screenlock UI.
   void RefreshScreenlockState();
 
   void ShowHardlockUI();
 
   // Updates icon's tooltip options.
   // |trial_run|: Whether the trial Easy Unlock run is in progress.
   void UpdateTooltipOptions(
       bool trial_run,
@@ skipping 16 matching lines @@
 
   // Whether this is the trial Easy Unlock run. If this is the case, a
   // tutorial message should be shown and hard-locking be disabled. The trial
   // run should be set if the screen was locked by the Easy Unlock setup app.
   bool is_trial_run_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockScreenlockStateHandler);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SCREENLOCK_STATE_HANDLER_H_