Standardize usage of virtual/override/final specifiers.

ash/system/tray_accessibility.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 ASH_SYSTEM_TRAY_ACCESSIBILITY_H_
 #define ASH_SYSTEM_TRAY_ACCESSIBILITY_H_
 
 #include "ash/accessibility_delegate.h"
 #include "ash/shell_observer.h"
 #include "ash/system/tray/tray_details_view.h"
@@ skipping 45 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(AccessibilityPopupView);
 };
 
 class AccessibilityDetailedView : public TrayDetailsView,
                                   public ViewClickListener,
                                   public views::ButtonListener,
                                   public ShellObserver {
  public:
   explicit AccessibilityDetailedView(SystemTrayItem* owner,
                                      user::LoginStatus login);
-  virtual ~AccessibilityDetailedView() {}
+  ~AccessibilityDetailedView() override {}
 
  private:
   // Add the accessibility feature list.
   void AppendAccessibilityList();
 
   // Add help entries.
   void AppendHelpEntries();
 
   HoverHighlightView* AddScrollListItem(const base::string16& text,
                                         gfx::Font::FontStyle style,
                                         bool checked);
   // Overridden from ViewClickListener.
-  virtual void OnViewClicked(views::View* sender) override;
+  void OnViewClicked(views::View* sender) override;
   // Overridden from ButtonListener.
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   views::View* spoken_feedback_view_;
   views::View* high_contrast_view_;
   views::View* screen_magnifier_view_;
   views::View* large_cursor_view_;
   views::View* help_view_;
   views::View* settings_view_;
   views::View* autoclick_view_;
   views::View* virtual_keyboard_view_;
 
   bool spoken_feedback_enabled_;
   bool high_contrast_enabled_;
   bool screen_magnifier_enabled_;
   bool large_cursor_enabled_;
   bool autoclick_enabled_;
   bool virtual_keyboard_enabled_;
   user::LoginStatus login_;
 
   friend class chromeos::TrayAccessibilityTest;
   DISALLOW_COPY_AND_ASSIGN(AccessibilityDetailedView);
 };
 
 }  // namespace tray
 
 class TrayAccessibility : public TrayImageItem,
                           public AccessibilityObserver {
  public:
   explicit TrayAccessibility(SystemTray* system_tray);
-  virtual ~TrayAccessibility();
+  ~TrayAccessibility() override;
 
  private:
   void SetTrayIconVisible(bool visible);
   tray::AccessibilityDetailedView* CreateDetailedMenu();
 
   // Overridden from TrayImageItem.
-  virtual bool GetInitialVisibility() override;
-  virtual views::View* CreateDefaultView(user::LoginStatus status) override;
-  virtual views::View* CreateDetailedView(user::LoginStatus status) override;
-  virtual void DestroyDefaultView() override;
-  virtual void DestroyDetailedView() override;
-  virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
+  bool GetInitialVisibility() override;
+  views::View* CreateDefaultView(user::LoginStatus status) override;
+  views::View* CreateDetailedView(user::LoginStatus status) override;
+  void DestroyDefaultView() override;
+  void DestroyDetailedView() override;
+  void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
 
   // Overridden from AccessibilityObserver.
-  virtual void OnAccessibilityModeChanged(
+  void OnAccessibilityModeChanged(
       AccessibilityNotificationVisibility notify) override;
 
   views::View* default_;
   tray::AccessibilityPopupView* detailed_popup_;
   tray::AccessibilityDetailedView* detailed_menu_;
 
   // Bitmap of fvalues from AccessibilityState.  Can contain any or
   // both of A11Y_SPOKEN_FEEDBACK A11Y_BRAILLE_DISPLAY_CONNECTED.
   uint32 request_popup_view_state_;
 
   bool tray_icon_visible_;
   user::LoginStatus login_;
 
   // Bitmap of values from AccessibilityState enum.
   uint32 previous_accessibility_state_;
 
   // A11y feature status on just entering the lock screen.
   bool show_a11y_menu_on_lock_screen_;
 
   friend class chromeos::TrayAccessibilityTest;
   DISALLOW_COPY_AND_ASSIGN(TrayAccessibility);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_ACCESSIBILITY_H_