Standardize usage of virtual/override/final specifiers.

ash/shelf/shelf_button.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_SHELF_SHELF_BUTTON_H_
 #define ASH_SHELF_SHELF_BUTTON_H_
 
 #include "ash/ash_export.h"
 #include "ui/gfx/shadow_value.h"
 #include "ui/views/controls/button/custom_button.h"
@@ skipping 19 matching lines @@
     STATE_RUNNING   = 1 << 1,
     // Underlying ShelfItem is active (i.e. has focus).
     STATE_ACTIVE    = 1 << 2,
     // Underlying ShelfItem needs user's attention.
     STATE_ATTENTION = 1 << 3,
     STATE_FOCUSED   = 1 << 4,
     // Hide the status (temporarily for some animations).
     STATE_HIDDEN = 1 << 5,
   };
 
-  virtual ~ShelfButton();
+  ~ShelfButton() override;
 
   // Called to create an instance of a ShelfButton.
   static ShelfButton* Create(views::ButtonListener* listener,
                              ShelfButtonHost* host,
                              ShelfLayoutManager* shelf_layout_manager);
 
   // Sets the image to display for this entry.
   void SetImage(const gfx::ImageSkia& image);
 
   // Retrieve the image to show proxy operations.
   const gfx::ImageSkia& GetImage() const;
 
   // |state| is or'd into the current state.
   void AddState(State state);
   void ClearState(State state);
   int state() const { return state_; }
   const ShelfLayoutManager* shelf_layout_manager() const {
     return shelf_layout_manager_;
   }
 
   // Returns the bounds of the icon.
   gfx::Rect GetIconBounds() const;
 
   // Overrides to views::CustomButton:
-  virtual void ShowContextMenu(const gfx::Point& p,
-                               ui::MenuSourceType source_type) override;
+  void ShowContextMenu(const gfx::Point& p,
+                       ui::MenuSourceType source_type) override;
 
   // View override - needed by unit test.
-  virtual void OnMouseCaptureLost() override;
+  void OnMouseCaptureLost() override;
 
  protected:
   ShelfButton(views::ButtonListener* listener,
               ShelfButtonHost* host,
               ShelfLayoutManager* shelf_layout_manager);
 
   // Class that draws the icon part of a button, so it can be animated
   // independently of the rest. This can be subclassed to provide a custom
   // implementation, by overriding CreateIconView().
   class IconView : public views::ImageView {
    public:
     IconView();
-    virtual ~IconView();
+    ~IconView() override;
 
     void set_icon_size(int icon_size) { icon_size_ = icon_size; }
     int icon_size() const { return icon_size_; }
 
    private:
     // Set to non-zero to force icons to be resized to fit within a square,
     // while maintaining original proportions.
     int icon_size_;
 
     DISALLOW_COPY_AND_ASSIGN(IconView);
   };
 
   // View overrides:
-  virtual const char* GetClassName() const override;
-  virtual bool OnMousePressed(const ui::MouseEvent& event) override;
-  virtual void OnMouseReleased(const ui::MouseEvent& event) override;
-  virtual bool OnMouseDragged(const ui::MouseEvent& event) override;
-  virtual void OnMouseMoved(const ui::MouseEvent& event) override;
-  virtual void OnMouseEntered(const ui::MouseEvent& event) override;
-  virtual void OnMouseExited(const ui::MouseEvent& event) override;
-  virtual void GetAccessibleState(ui::AXViewState* state) override;
-  virtual void Layout() override;
-  virtual void ChildPreferredSizeChanged(views::View* child) override;
-  virtual void OnFocus() override;
-  virtual void OnBlur() override;
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  const char* GetClassName() const override;
+  bool OnMousePressed(const ui::MouseEvent& event) override;
+  void OnMouseReleased(const ui::MouseEvent& event) override;
+  bool OnMouseDragged(const ui::MouseEvent& event) override;
+  void OnMouseMoved(const ui::MouseEvent& event) override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+  void GetAccessibleState(ui::AXViewState* state) override;
+  void Layout() override;
+  void ChildPreferredSizeChanged(views::View* child) override;
+  void OnFocus() override;
+  void OnBlur() override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
   // ui::EventHandler overrides:
-  virtual void OnGestureEvent(ui::GestureEvent* event) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Sets the icon image with a shadow.
   void SetShadowedImage(const gfx::ImageSkia& bitmap);
   // Override for custom initialization.
   virtual void Init();
   // Override to subclass IconView.
   virtual IconView* CreateIconView();
   IconView* icon_view() const { return icon_view_; }
   ShelfButtonHost* host() const { return host_; }
 
@@ skipping 26 matching lines @@
   // If non-null the destuctor sets this to true. This is set while the menu is
   // showing and used to detect if the menu was deleted while running.
   bool* destroyed_flag_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfButton);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_BUTTON_H_