Standardize usage of virtual/override/final specifiers.

ash/system/tray/tray_background_view.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 ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 #define ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "ash/shelf/background_animator.h"
 #include "ash/shelf/shelf_types.h"
@@ skipping 16 matching lines @@
                                       public BackgroundAnimatorDelegate,
                                       public ui::ImplicitAnimationObserver {
  public:
   static const char kViewClassName[];
 
   // Base class for tray containers. Sets the border and layout. The container
   // auto-resizes the widget when necessary.
   class TrayContainer : public views::View {
    public:
     explicit TrayContainer(ShelfAlignment alignment);
-    virtual ~TrayContainer() {}
+    ~TrayContainer() override {}
 
     void SetAlignment(ShelfAlignment alignment);
 
     void set_size(const gfx::Size& size) { size_ = size; }
 
     // views::View:
-    virtual gfx::Size GetPreferredSize() const override;
+    gfx::Size GetPreferredSize() const override;
 
    protected:
     // views::View:
-    virtual void ChildPreferredSizeChanged(views::View* child) override;
-    virtual void ChildVisibilityChanged(View* child) override;
-    virtual void ViewHierarchyChanged(
+    void ChildPreferredSizeChanged(views::View* child) override;
+    void ChildVisibilityChanged(View* child) override;
+    void ViewHierarchyChanged(
         const ViewHierarchyChangedDetails& details) override;
 
    private:
     void UpdateLayout();
 
     ShelfAlignment alignment_;
     gfx::Size size_;
 
     DISALLOW_COPY_AND_ASSIGN(TrayContainer);
   };
 
   explicit TrayBackgroundView(StatusAreaWidget* status_area_widget);
-  virtual ~TrayBackgroundView();
+  ~TrayBackgroundView() override;
 
   // Called after the tray has been added to the widget containing it.
   virtual void Initialize();
 
   // views::View:
-  virtual void SetVisible(bool visible) override;
-  virtual const char* GetClassName() const override;
-  virtual void OnMouseEntered(const ui::MouseEvent& event) override;
-  virtual void OnMouseExited(const ui::MouseEvent& event) override;
-  virtual void ChildPreferredSizeChanged(views::View* child) override;
-  virtual void GetAccessibleState(ui::AXViewState* state) override;
-  virtual void AboutToRequestFocusFromTabTraversal(bool reverse) override;
+  void SetVisible(bool visible) override;
+  const char* GetClassName() const override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+  void ChildPreferredSizeChanged(views::View* child) override;
+  void GetAccessibleState(ui::AXViewState* state) override;
+  void AboutToRequestFocusFromTabTraversal(bool reverse) override;
 
   // ActionableView:
-  virtual bool PerformAction(const ui::Event& event) override;
-  virtual gfx::Rect GetFocusBounds() override;
-  virtual void OnGestureEvent(ui::GestureEvent* event) override;
+  bool PerformAction(const ui::Event& event) override;
+  gfx::Rect GetFocusBounds() override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // BackgroundAnimatorDelegate:
-  virtual void UpdateBackground(int alpha) override;
+  void UpdateBackground(int alpha) override;
 
   // Called whenever the shelf alignment changes.
   virtual void SetShelfAlignment(ShelfAlignment alignment);
 
   // Called when the anchor (tray or bubble) may have moved or changed.
   virtual void AnchorUpdated() {}
 
   // Called from GetAccessibleState, must return a valid accessible name.
   virtual base::string16 GetAccessibleNameForTray() = 0;
 
@@ skipping 56 matching lines @@
   void UpdateBubbleViewArrow(views::TrayBubbleView* bubble_view);
 
  private:
   class TrayWidgetObserver;
 
   // Called from Initialize after all status area trays have been created.
   // Sets the border based on the position of the view.
   void SetTrayBorder();
 
   // ui::ImplicitAnimationObserver:
-  virtual void OnImplicitAnimationsCompleted() override;
+  void OnImplicitAnimationsCompleted() override;
 
   // Applies transformations to the |layer()| to animate the view when
   // SetVisible(false) is called.
   void HideTransformation();
 
   // Unowned pointer to parent widget.
   StatusAreaWidget* status_area_widget_;
 
   // Convenience pointer to the contents view.
   TrayContainer* tray_container_;
@@ skipping 17 matching lines @@
 
   scoped_ptr<TrayWidgetObserver> widget_observer_;
   scoped_ptr<TrayEventFilter> tray_event_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBackgroundView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_