Standardize usage of virtual/override/final specifiers.

ui/views/controls/throbber.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 UI_VIEWS_CONTROLS_THROBBER_H_
 #define UI_VIEWS_CONTROLS_THROBBER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "ui/views/view.h"
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace views {
 
 // Throbbers display an animation, usually used as a status indicator.
 
 class VIEWS_EXPORT Throbber : public View {
  public:
   // |frame_time_ms| is the amount of time that should elapse between frames
   //                 (in milliseconds)
   // If |paint_while_stopped| is false, this view will be invisible when not
   // running.
   Throbber(int frame_time_ms, bool paint_while_stopped);
   Throbber(int frame_time_ms, bool paint_while_stopped, gfx::ImageSkia* frames);
-  virtual ~Throbber();
+  ~Throbber() override;
 
   // Start and stop the throbber animation
   virtual void Start();
   virtual void Stop();
 
   // Set custom throbber frames. Otherwise IDR_THROBBER is loaded.
   void SetFrames(const gfx::ImageSkia* frames);
 
   // Overridden from View:
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  gfx::Size GetPreferredSize() const override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
  protected:
   // Specifies whether the throbber is currently animating or not
   bool running_;
 
  private:
   void Run();
 
   bool paint_while_stopped_;
   int frame_count_;  // How many frames we have.
   base::Time start_time_;  // Time when Start was called.
   const gfx::ImageSkia* frames_;  // Frames images.
   base::TimeDelta frame_time_;  // How long one frame is displayed.
   base::RepeatingTimer<Throbber> timer_;  // Used to schedule Run calls.
 
   DISALLOW_COPY_AND_ASSIGN(Throbber);
 };
 
 // A SmoothedThrobber is a throbber that is representing potentially short
 // and nonoverlapping bursts of work.  SmoothedThrobber ignores small
 // pauses in the work stops and starts, and only starts its throbber after
 // a small amount of work time has passed.
 class VIEWS_EXPORT SmoothedThrobber : public Throbber {
  public:
   explicit SmoothedThrobber(int frame_delay_ms);
   SmoothedThrobber(int frame_delay_ms, gfx::ImageSkia* frames);
-  virtual ~SmoothedThrobber();
+  ~SmoothedThrobber() override;
 
-  virtual void Start() override;
-  virtual void Stop() override;
+  void Start() override;
+  void Stop() override;
 
   void set_start_delay_ms(int value) { start_delay_ms_ = value; }
   void set_stop_delay_ms(int value) { stop_delay_ms_ = value; }
 
  private:
   // Called when the startup-delay timer fires
   // This function starts the actual throbbing.
   void StartDelayOver();
 
   // Called when the shutdown-delay timer fires.
@@ skipping 19 matching lines @@
 //
 class VIEWS_EXPORT CheckmarkThrobber : public Throbber {
  public:
   CheckmarkThrobber();
 
   // If checked is true, the throbber stops spinning and displays a checkmark.
   // If checked is false, the throbber stops spinning and displays nothing.
   void SetChecked(bool checked);
 
   // Overridden from Throbber:
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
  private:
   static const int kFrameTimeMs = 30;
 
   // Whether or not we should display a checkmark.
   bool checked_;
 
   // The checkmark image.
   const gfx::ImageSkia* checkmark_;
 
   DISALLOW_COPY_AND_ASSIGN(CheckmarkThrobber);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_THROBBER_H_