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

chrome/browser/ui/gtk/hover_controller_gtk.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_GTK_HOVER_CONTROLLER_GTK_H_
 #define CHROME_BROWSER_UI_GTK_HOVER_CONTROLLER_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
+#include "base/compiler_specific.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/animation/throb_animation.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/gtk_signal_registrar.h"
 
 // This class handles the "throbbing" of a GtkChromeButton. The visual effect
 // of throbbing is created by painting partially transparent hover effects. It
 // only works in non-gtk theme mode. This class mainly exists to glue an
 // AnimationDelegate (C++ class) to a GtkChromeButton* (GTK/c object).
@@ skipping 15 matching lines @@
   // Creates a GtkChromeButton and adds a HoverControllerGtk for it.
   static GtkWidget* CreateChromeButton();
 
   // Stop throbbing and delete |this|.
   void Destroy();
 
  private:
   explicit HoverControllerGtk(GtkWidget* button);
 
   // Overridden from ui::AnimationDelegate.
-  virtual void AnimationProgressed(const ui::Animation* animation);
-  virtual void AnimationEnded(const ui::Animation* animation);
-  virtual void AnimationCanceled(const ui::Animation* animation);
+  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
+  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
+  virtual void AnimationCanceled(const ui::Animation* animation) OVERRIDE;
 
   CHROMEGTK_CALLBACK_1(HoverControllerGtk, gboolean, OnEnter,
                        GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(HoverControllerGtk, gboolean, OnLeave,
                        GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(HoverControllerGtk, void, OnHierarchyChanged,
                        GtkWidget*);
   CHROMEGTK_CALLBACK_0(HoverControllerGtk, void, OnDestroy);
 
   ui::ThrobAnimation throb_animation_;
   ui::SlideAnimation hover_animation_;
   GtkWidget* button_;
 
   ui::GtkSignalRegistrar signals_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverControllerGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_HOVER_CONTROLLER_GTK_H_