Standardize usage of virtual/override/final specifiers.

ui/views/controls/button/image_button.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_BUTTON_IMAGE_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/layout.h"
@@ skipping 20 matching lines @@
     ALIGN_RIGHT
   };
 
   enum VerticalAlignment {
     ALIGN_TOP = 0,
     ALIGN_MIDDLE,
     ALIGN_BOTTOM
   };
 
   explicit ImageButton(ButtonListener* listener);
-  virtual ~ImageButton();
+  ~ImageButton() override;
 
   // Returns the image for a given |state|.
   virtual const gfx::ImageSkia& GetImage(ButtonState state) const;
 
   // Set the image the button should use for the provided state.
   virtual void SetImage(ButtonState state, const gfx::ImageSkia* image);
 
   // Set the background details.
   void SetBackground(SkColor color,
                      const gfx::ImageSkia* image,
@@ skipping 10 matching lines @@
   // larger.
   const gfx::Size& minimum_image_size() const { return minimum_image_size_; }
   void SetMinimumImageSize(const gfx::Size& size);
 
   // Whether we should draw our images resources horizontally flipped.
   void SetDrawImageMirrored(bool mirrored) {
     draw_image_mirrored_ = mirrored;
   }
 
   // Overridden from View:
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual const char* GetClassName() const override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  gfx::Size GetPreferredSize() const override;
+  const char* GetClassName() const override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
  protected:
   // Overridden from View:
-  virtual void OnFocus() override;
-  virtual void OnBlur() override;
+  void OnFocus() override;
+  void OnBlur() override;
 
   // Returns the image to paint. This is invoked from paint and returns a value
   // from images.
   virtual gfx::ImageSkia GetImageToPaint();
 
   // Updates button background for |scale_factor|.
   void UpdateButtonBackground(ui::ScaleFactor scale_factor);
 
   Painter* focus_painter() { return focus_painter_.get(); }
 
@@ skipping 30 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 //
 // ToggleImageButton
 //
 // A toggle-able ImageButton.  It swaps out its graphics when toggled.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class VIEWS_EXPORT ToggleImageButton : public ImageButton {
  public:
   explicit ToggleImageButton(ButtonListener* listener);
-  virtual ~ToggleImageButton();
+  ~ToggleImageButton() override;
 
   // Change the toggled state.
   void SetToggled(bool toggled);
 
   // Like ImageButton::SetImage(), but to set the graphics used for the
   // "has been toggled" state.  Must be called for each button state
   // before the button is toggled.
   void SetToggledImage(ButtonState state, const gfx::ImageSkia* image);
 
   // Set the tooltip text displayed when the button is toggled.
   void SetToggledTooltipText(const base::string16& tooltip);
 
   // Overridden from ImageButton:
-  virtual const gfx::ImageSkia& GetImage(ButtonState state) const override;
-  virtual void SetImage(ButtonState state,
-                        const gfx::ImageSkia* image) override;
+  const gfx::ImageSkia& GetImage(ButtonState state) const override;
+  void SetImage(ButtonState state, const gfx::ImageSkia* image) override;
 
   // Overridden from View:
-  virtual bool GetTooltipText(const gfx::Point& p,
-                              base::string16* tooltip) const override;
-  virtual void GetAccessibleState(ui::AXViewState* state) override;
+  bool GetTooltipText(const gfx::Point& p,
+                      base::string16* tooltip) const override;
+  void GetAccessibleState(ui::AXViewState* state) override;
 
  private:
   // The parent class's images_ member is used for the current images,
   // and this array is used to hold the alternative images.
   // We swap between the two when toggling.
   gfx::ImageSkia alternate_images_[STATE_COUNT];
 
   // True if the button is currently toggled.
   bool toggled_;
 
   // The parent class's tooltip_text_ is displayed when not toggled, and
   // this one is shown when toggled.
   base::string16 toggled_tooltip_text_;
 
   DISALLOW_COPY_AND_ASSIGN(ToggleImageButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_