replace OVERRIDE and FINAL with override and final in ash/

ash/shelf/overflow_bubble_view.h

Index: ash/shelf/overflow_bubble_view.h
diff --git a/ash/shelf/overflow_bubble_view.h b/ash/shelf/overflow_bubble_view.h
index 4348a2d4c860c8665a95c25167beaea9b905d348..9d928ebc740b3f40fbedd9360db961f1e59cf508 100644
--- a/ash/shelf/overflow_bubble_view.h
+++ b/ash/shelf/overflow_bubble_view.h
@@ -28,7 +28,7 @@ class ASH_EXPORT OverflowBubbleView : public views::BubbleDelegateView {
   void InitOverflowBubble(views::View* anchor, ShelfView* shelf_view);
 
   // views::BubbleDelegateView overrides:
-  virtual gfx::Rect GetBubbleBounds() OVERRIDE;
+  virtual gfx::Rect GetBubbleBounds() override;
 
  private:
   friend class test::OverflowBubbleViewTestAPI;
@@ -44,13 +44,13 @@ class ASH_EXPORT OverflowBubbleView : public views::BubbleDelegateView {
   void ScrollByYOffset(int y_offset);
 
   // views::View overrides:
-  virtual gfx::Size GetPreferredSize() const OVERRIDE;
-  virtual void Layout() OVERRIDE;
-  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
-  virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const override;
+  virtual void Layout() override;
+  virtual void ChildPreferredSizeChanged(views::View* child) override;
+  virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
 
   // ui::EventHandler overrides:
-  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
+  virtual void OnScrollEvent(ui::ScrollEvent* event) override;
 
   ShelfLayoutManager* GetShelfLayoutManager() const;