replace OVERRIDE and FINAL with override and final in ash/

ash/shelf/shelf_tooltip_manager.h

Index: ash/shelf/shelf_tooltip_manager.h
diff --git a/ash/shelf/shelf_tooltip_manager.h b/ash/shelf/shelf_tooltip_manager.h
index d7ca088610ceb6d0b6ea49df4bc430db84f0ed72..96c72592994c159f8363053262cc0e1d0f64f523 100644
--- a/ash/shelf/shelf_tooltip_manager.h
+++ b/ash/shelf/shelf_tooltip_manager.h
@@ -78,16 +78,16 @@ class ASH_EXPORT ShelfTooltipManager : public ui::EventHandler,
 
 protected:
   // ui::EventHandler overrides:
-  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
-  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
-  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
-  virtual void OnCancelMode(ui::CancelModeEvent* event) OVERRIDE;
+  virtual void OnMouseEvent(ui::MouseEvent* event) override;
+  virtual void OnTouchEvent(ui::TouchEvent* event) override;
+  virtual void OnGestureEvent(ui::GestureEvent* event) override;
+  virtual void OnCancelMode(ui::CancelModeEvent* event) override;
 
   // ShelfLayoutManagerObserver overrides:
-  virtual void WillDeleteShelf() OVERRIDE;
+  virtual void WillDeleteShelf() override;
   virtual void WillChangeVisibilityState(
-      ShelfVisibilityState new_state) OVERRIDE;
-  virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) OVERRIDE;
+      ShelfVisibilityState new_state) override;
+  virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) override;
 
  private:
   class ShelfTooltipBubble;