Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/panels/panel_bounds_animation.h

Index: chrome/browser/ui/panels/panel_bounds_animation.h
diff --git a/chrome/browser/ui/panels/panel_bounds_animation.h b/chrome/browser/ui/panels/panel_bounds_animation.h
index ca229328757ebfbd5466b452405dcf5d4ed0ae3b..a4da9d14f77d6ddf69f347e6bac0edda06e53269 100644
--- a/chrome/browser/ui/panels/panel_bounds_animation.h
+++ b/chrome/browser/ui/panels/panel_bounds_animation.h
@@ -18,8 +18,8 @@ class PanelBoundsAnimation : public gfx::LinearAnimation {
                        Panel* panel,
                        const gfx::Rect& initial_bounds,
                        const gfx::Rect& final_bounds);
-  virtual ~PanelBoundsAnimation();
-  virtual double GetCurrentValue() const override;
+  ~PanelBoundsAnimation() override;
+  double GetCurrentValue() const override;
 
   // Static because it is reused on Mac to override NSAnimation's calculation.
   static double ComputeAnimationValue(double progress,
@@ -27,7 +27,7 @@ class PanelBoundsAnimation : public gfx::LinearAnimation {
                                       double animation_stop_to_show_titlebar);
 
  protected:
-  virtual void AnimateToState(double state) override {}
+  void AnimateToState(double state) override {}
 
  private:
   Panel* panel_;  // Weak, owns us.