Standardize usage of virtual/override/final specifiers.

ui/views/controls/scrollbar/base_scroll_bar.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_SCROLLBAR_BASE_SCROLL_BAR_H_
 #define UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_
 
 #include "base/gtest_prod_util.h"
 #include "ui/views/animation/scroll_animator.h"
 #include "ui/views/context_menu_controller.h"
@@ skipping 11 matching lines @@
 //
 // BaseScrollBar
 //
 ///////////////////////////////////////////////////////////////////////////////
 class VIEWS_EXPORT BaseScrollBar : public ScrollBar,
                                    public ScrollDelegate,
                                    public ContextMenuController,
                                    public MenuDelegate {
  public:
   BaseScrollBar(bool horizontal, BaseScrollBarThumb* thumb);
-  virtual ~BaseScrollBar();
+  ~BaseScrollBar() override;
 
   // Get the bounds of the "track" area that the thumb is free to slide within.
   virtual gfx::Rect GetTrackBounds() const = 0;
 
   // An enumeration of different amounts of incremental scroll, representing
   // events sent from different parts of the UI/keyboard.
   enum ScrollAmount {
     SCROLL_NONE = 0,
     SCROLL_START,
     SCROLL_END,
@@ skipping 16 matching lines @@
   bool ScrollByContentsOffset(int contents_offset);
 
   // Called when the thumb state has been changed from |old_state| to
   // |new_state|.
   void OnThumbStateChanged(CustomButton::ButtonState old_state,
                            CustomButton::ButtonState new_state);
 
   // View overrides:
   virtual gfx::Size GetPreferredSize() const override = 0;
   virtual void Layout() override = 0;
-  virtual bool OnMousePressed(const ui::MouseEvent& event) override;
-  virtual void OnMouseReleased(const ui::MouseEvent& event) override;
-  virtual void OnMouseCaptureLost() override;
-  virtual void OnMouseEntered(const ui::MouseEvent& event) override;
-  virtual void OnMouseExited(const ui::MouseEvent& event) override;
-  virtual bool OnKeyPressed(const ui::KeyEvent& event) override;
-  virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
+  bool OnMousePressed(const ui::MouseEvent& event) override;
+  void OnMouseReleased(const ui::MouseEvent& event) override;
+  void OnMouseCaptureLost() override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+  bool OnKeyPressed(const ui::KeyEvent& event) override;
+  bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
 
   // ui::EventHandler overrides:
-  virtual void OnGestureEvent(ui::GestureEvent* event) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // ScrollBar overrides:
-  virtual void Update(int viewport_size,
-                      int content_size,
-                      int contents_scroll_offset) override;
+  void Update(int viewport_size,
+              int content_size,
+              int contents_scroll_offset) override;
   virtual int GetLayoutSize() const override = 0;
-  virtual int GetPosition() const override;
+  int GetPosition() const override;
 
   // ScrollDelegate overrides:
-  virtual bool OnScroll(float dx, float dy) override;
+  bool OnScroll(float dx, float dy) override;
 
   // ContextMenuController overrides:
-  virtual void ShowContextMenuForView(View* source,
-                                      const gfx::Point& point,
-                                      ui::MenuSourceType source_type) override;
+  void ShowContextMenuForView(View* source,
+                              const gfx::Point& point,
+                              ui::MenuSourceType source_type) override;
 
   // Menu::Delegate overrides:
-  virtual base::string16 GetLabel(int id) const override;
-  virtual bool IsCommandEnabled(int id) const override;
-  virtual void ExecuteCommand(int id) override;
+  base::string16 GetLabel(int id) const override;
+  bool IsCommandEnabled(int id) const override;
+  void ExecuteCommand(int id) override;
 
  protected:
   // View overrides:
   virtual void OnPaint(gfx::Canvas* canvas) override = 0;
 
   BaseScrollBarThumb* GetThumb() const;
   CustomButton::ButtonState GetThumbTrackState() const;
 
   // Wrapper functions that calls the controller. We need this since native
   // scrollbars wrap around a different scrollbar. When calling the controller
@@ skipping 74 matching lines @@
   // TODO(tdresser): This should be removed when raw pixel scrolling for views
   // is enabled. See crbug.com/329354.
   gfx::Vector2dF roundoff_error_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseScrollBar);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_SCROLLBAR_BASE_SCROLL_BAR_H_