Add OVERRIDE to chrome/browser/ui/gtk/.

chrome/browser/ui/gtk/slide_animator_gtk.h

Index: chrome/browser/ui/gtk/slide_animator_gtk.h
diff --git a/chrome/browser/ui/gtk/slide_animator_gtk.h b/chrome/browser/ui/gtk/slide_animator_gtk.h
index a547ab18934f4cb339ca261634b335cae7f53d34..791e3ab7d4844dae897573517c2b57bfbb9b4dea 100644
--- a/chrome/browser/ui/gtk/slide_animator_gtk.h
+++ b/chrome/browser/ui/gtk/slide_animator_gtk.h
@@ -17,6 +17,7 @@
 
 #include <gtk/gtk.h>
 
+#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
@@ -85,8 +86,8 @@ class SlideAnimatorGtk : public ui::AnimationDelegate {
   bool IsAnimating();
 
   // ui::AnimationDelegate implementation.
-  virtual void AnimationProgressed(const ui::Animation* animation);
-  virtual void AnimationEnded(const ui::Animation* animation);
+  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
+  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
   // Used during testing; disable or enable animations (default is enabled).
   static void SetAnimationsForTesting(bool enable);