Standardize usage of virtual/override/final specifiers.

ash/system/tray/hover_highlight_view.h

 // Copyright 2013 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_HOVER_HIGHLIGHT_VIEW_H_
 #define ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 
 #include "ash/system/tray/actionable_view.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/text_constants.h"
 
 namespace views {
 class Label;
 }
 
 namespace ash {
 class ViewClickListener;
 
 // A view that changes background color on hover, and triggers a callback in the
 // associated ViewClickListener on click. The view can also be forced to
 // maintain a fixed height.
 class HoverHighlightView : public ActionableView {
  public:
   explicit HoverHighlightView(ViewClickListener* listener);
-  virtual ~HoverHighlightView();
+  ~HoverHighlightView() override;
 
   // Convenience function for adding an icon and a label.  This also sets the
   // accessible name.
   void AddIconAndLabel(const gfx::ImageSkia& image,
                        const base::string16& text,
                        gfx::Font::FontStyle style);
 
   // Convenience function for adding a label with padding on the left for a
   // blank icon.  This also sets the accessible name.
   // Returns label after parenting it.
@@ skipping 16 matching lines @@
   void set_default_color(SkColor color) { default_color_ = color; }
   void set_text_highlight_color(SkColor c) { text_highlight_color_ = c; }
   void set_text_default_color(SkColor color) { text_default_color_ = color; }
 
   views::Label* text_label() { return text_label_; }
 
   bool hover() const { return hover_; }
 
  protected:
   // Overridden from views::View.
-  virtual void GetAccessibleState(ui::AXViewState* state) override;
+  void GetAccessibleState(ui::AXViewState* state) override;
 
  private:
   // Sets the highlighted color on a text label if |hover| is set.
   void SetHoverHighlight(bool hover);
 
   // Overridden from ActionableView:
-  virtual bool PerformAction(const ui::Event& event) override;
+  bool PerformAction(const ui::Event& event) override;
 
   // Overridden from views::View.
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual int GetHeightForWidth(int width) const override;
-  virtual void OnMouseEntered(const ui::MouseEvent& event) override;
-  virtual void OnMouseExited(const ui::MouseEvent& event) override;
-  virtual void OnGestureEvent(ui::GestureEvent* event) override;
-  virtual void OnEnabledChanged() override;
-  virtual void OnPaintBackground(gfx::Canvas* canvas) override;
-  virtual void OnFocus() override;
+  gfx::Size GetPreferredSize() const override;
+  int GetHeightForWidth(int width) const override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
+  void OnEnabledChanged() override;
+  void OnPaintBackground(gfx::Canvas* canvas) override;
+  void OnFocus() override;
 
   ViewClickListener* listener_;
   views::Label* text_label_;
   SkColor highlight_color_;
   SkColor default_color_;
   SkColor text_highlight_color_;
   SkColor text_default_color_;
   bool hover_;
   bool expandable_;
   bool checkable_;
   bool checked_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_