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

chrome/browser/ui/gtk/custom_drag.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_CUSTOM_DRAG_H_
 #define CHROME_BROWSER_UI_GTK_CUSTOM_DRAG_H_
 #pragma once
 
 #include <gtk/gtk.h>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 class BookmarkNode;
 class DownloadItem;
 class Profile;
 
 namespace gfx {
 class Image;
 }
 
@@ skipping 44 matching lines @@
   // Creates a new DownloadItemDrag, the lifetime of which is tied to the
   // system drag.
   static void BeginDrag(const DownloadItem* item, gfx::Image* icon);
 
  private:
   DownloadItemDrag(const DownloadItem* item, gfx::Image* icon);
   virtual ~DownloadItemDrag();
 
   virtual void OnDragDataGet(GtkWidget* widget, GdkDragContext* context,
                              GtkSelectionData* selection_data,
-                             guint target_type, guint time);
+                             guint target_type, guint time) OVERRIDE;
 
   const DownloadItem* download_item_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemDrag);
 };
 
 // Encapsulates functionality for drags of one or more bookmarks.
 class BookmarkDrag : public CustomDrag {
  public:
   // Creates a new BookmarkDrag, the lifetime of which is tied to the
   // system drag.
   static void BeginDrag(Profile* profile,
                         const std::vector<const BookmarkNode*>& nodes);
 
  private:
   BookmarkDrag(Profile* profile,
                const std::vector<const BookmarkNode*>& nodes);
   virtual ~BookmarkDrag();
 
   virtual void OnDragDataGet(GtkWidget* widget, GdkDragContext* context,
                              GtkSelectionData* selection_data,
-                             guint target_type, guint time);
+                             guint target_type, guint time) OVERRIDE;
 
   Profile* profile_;
   std::vector<const BookmarkNode*> nodes_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkDrag);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_CUSTOM_DRAG_H_