Standardize usage of virtual/override/final specifiers.

ash/system/date/date_view.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_DATE_DATE_VIEW_H_
 #define ASH_SYSTEM_DATE_DATE_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/date/tray_date.h"
 #include "ash/system/tray/actionable_view.h"
 #include "base/i18n/time_formatting.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/views/view.h"
 
 namespace views {
 class Label;
 }
 
 namespace ash {
 namespace tray {
 
 // Abstract base class containing common updating and layout code for the
 // DateView popup and the TimeView tray icon. Exported for tests.
 class ASH_EXPORT BaseDateTimeView : public ActionableView {
  public:
-  virtual ~BaseDateTimeView();
+  ~BaseDateTimeView() override;
 
   // Updates the displayed text for the current time and calls SetTimer().
   void UpdateText();
 
  protected:
   BaseDateTimeView();
 
  private:
   // Starts |timer_| to schedule the next update.
   void SetTimer(const base::Time& now);
 
   // Updates labels to display the current time.
   virtual void UpdateTextInternal(const base::Time& now) = 0;
 
   // Overridden from views::View.
-  virtual void ChildPreferredSizeChanged(views::View* child) override;
-  virtual void OnLocaleChanged() override;
+  void ChildPreferredSizeChanged(views::View* child) override;
+  void OnLocaleChanged() override;
 
   // Invokes UpdateText() when the displayed time should change.
   base::OneShotTimer<BaseDateTimeView> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseDateTimeView);
 };
 
 // Popup view used to display the date and day of week.
 class ASH_EXPORT DateView : public BaseDateTimeView {
  public:
   DateView();
-  virtual ~DateView();
+  ~DateView() override;
 
   // Sets the action the view should take. An actionable date view gives visual
   // feedback on hover, can be focused by keyboard, and clicking/pressing space
   // or enter on the view executes the action.
   void SetAction(TrayDate::DateAction action);
 
   // Updates the format of the displayed time.
   void UpdateTimeFormat();
 
   base::HourClockType GetHourTypeForTesting() const;
 
  private:
   // Sets active rendering state and updates the color of |date_label_|.
   void SetActive(bool active);
 
   // Overridden from BaseDateTimeView.
-  virtual void UpdateTextInternal(const base::Time& now) override;
+  void UpdateTextInternal(const base::Time& now) override;
 
   // Overridden from ActionableView.
-  virtual bool PerformAction(const ui::Event& event) override;
+  bool PerformAction(const ui::Event& event) override;
 
   // Overridden from views::View.
-  virtual void OnMouseEntered(const ui::MouseEvent& event) override;
-  virtual void OnMouseExited(const ui::MouseEvent& event) override;
-  virtual void OnGestureEvent(ui::GestureEvent* event) override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   views::Label* date_label_;
 
   // Time format (12/24hr) used for accessibility string.
   base::HourClockType hour_type_;
 
   TrayDate::DateAction action_;
 
   DISALLOW_COPY_AND_ASSIGN(DateView);
 };
 
 // Tray view used to display the current time.
 // Exported for tests.
 class ASH_EXPORT TimeView : public BaseDateTimeView {
  public:
   explicit TimeView(TrayDate::ClockLayout clock_layout);
-  virtual ~TimeView();
+  ~TimeView() override;
 
   // Updates the format of the displayed time.
   void UpdateTimeFormat();
 
   // Updates clock layout.
   void UpdateClockLayout(TrayDate::ClockLayout clock_layout);
 
   base::HourClockType GetHourTypeForTesting() const;
 
  private:
   friend class TimeViewTest;
 
   // Overridden from BaseDateTimeView.
-  virtual void UpdateTextInternal(const base::Time& now) override;
+  void UpdateTextInternal(const base::Time& now) override;
 
   // Overridden from ActionableView.
-  virtual bool PerformAction(const ui::Event& event) override;
+  bool PerformAction(const ui::Event& event) override;
 
   // Overridden from views::View.
-  virtual bool OnMousePressed(const ui::MouseEvent& event) override;
+  bool OnMousePressed(const ui::MouseEvent& event) override;
 
   void SetBorderFromLayout(TrayDate::ClockLayout clock_layout);
   void SetupLabels();
   void SetupLabel(views::Label* label);
 
   // Label text used for the normal horizontal shelf.
   scoped_ptr<views::Label> horizontal_label_;
 
   // The time label is split into two lines for the vertical shelf.
   scoped_ptr<views::Label> vertical_label_hours_;
   scoped_ptr<views::Label> vertical_label_minutes_;
 
   base::HourClockType hour_type_;
 
   DISALLOW_COPY_AND_ASSIGN(TimeView);
 };
 
 }  // namespace tray
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_DATE_DATE_VIEW_H_