Add missing virtual in overridden functions.

chrome/browser/ui/views/fullscreen_exit_bubble_views.h

Index: chrome/browser/ui/views/fullscreen_exit_bubble_views.h
diff --git a/chrome/browser/ui/views/fullscreen_exit_bubble_views.h b/chrome/browser/ui/views/fullscreen_exit_bubble_views.h
index f37523802835b95e662489dc5d88952a5f07b00a..f561cf59f8c206d3c87c087bf6e218d6d56e5916 100644
--- a/chrome/browser/ui/views/fullscreen_exit_bubble_views.h
+++ b/chrome/browser/ui/views/fullscreen_exit_bubble_views.h
@@ -52,8 +52,8 @@ class FullscreenExitBubbleViews : public views::LinkListener,
   scoped_ptr<ui::SlideAnimation> size_animation_;
 
   // ui::AnimationDelegate:
-  void AnimationProgressed(const ui::Animation* animation);
-  void AnimationEnded(const ui::Animation* animation);
+  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
+  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
   // The contents of the popup.
   FullscreenExitView* view_;