Revert 67662 - FBTF: Remove unneeded headers from base/ (part 10)...

chrome/browser/gtk/tabs/dragged_tab_gtk.h

 // Copyright (c) 2010 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_GTK_TABS_DRAGGED_TAB_GTK_H_
 #define CHROME_BROWSER_GTK_TABS_DRAGGED_TAB_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
 #include "app/animation_delegate.h"
 #include "app/slide_animation.h"
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
+#include "base/task.h"
 #include "gfx/canvas.h"
 #include "gfx/point.h"
 #include "gfx/rect.h"
 #include "gfx/size.h"
 
 class TabContents;
 class TabRendererGtk;
 
 class DraggedTabGtk : public AnimationDelegate {
  public:
@@ skipping 112 matching lines @@
   scoped_ptr<Callback0::Type> animation_callback_;
 
   // The start and end bounds of the animation sequence.
   gfx::Rect animation_start_bounds_;
   gfx::Rect animation_end_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(DraggedTabGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_TABS_DRAGGED_TAB_GTK_H_