It is time.

ui/views/button_drag_utils.h

-// Copyright (c) 2012 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 UI_VIEWS_BUTTON_DRAG_UTILS_H_
-#define UI_VIEWS_BUTTON_DRAG_UTILS_H_
-
-#include "base/strings/string16.h"
-#include "ui/views/views_export.h"
-
-class GURL;
-
-namespace gfx {
-class ImageSkia;
-class Point;
-}
-
-namespace ui {
-class OSExchangeData;
-}
-
-namespace views {
-class Widget;
-}
-
-namespace button_drag_utils {
-
-// Sets url and title on data as well as setting a suitable image for dragging.
-// The image looks like that of the bookmark buttons. |press_pt| is optional
-// offset; otherwise, it centers the drag image.
-VIEWS_EXPORT void SetURLAndDragImage(const GURL& url,
-                                     const base::string16& title,
-                                     const gfx::ImageSkia& icon,
-                                     const gfx::Point* press_pt,
-                                     ui::OSExchangeData* data,
-                                     views::Widget* widget);
-
-// As above, but only sets the image.
-VIEWS_EXPORT void SetDragImage(const GURL& url,
-                               const base::string16& title,
-                               const gfx::ImageSkia& icon,
-                               const gfx::Point* press_pt,
-                               ui::OSExchangeData* data,
-                               views::Widget* widget);
-
-}  // namespace drag_utils
-
-#endif  // UI_VIEWS_BUTTON_DRAG_UTILS_H_