Move most of ui/views/drag_utils to ui/base/dragdrop so it can be used outside of views. I tried to…

ui/views/drag_utils.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 UI_VIEWS_DRAG_UTILS_H_
-#define UI_VIEWS_DRAG_UTILS_H_
-#pragma once
-
-#include <string>
-
-#include "base/file_path.h"
-#include "base/string16.h"
-#include "ui/views/views_export.h"
-
-class GURL;
-class SkBitmap;
-
-namespace gfx {
-class Canvas;
-class Point;
-class Size;
-}
-
-namespace ui {
-class OSExchangeData;
-}
-using ui::OSExchangeData;
-
-namespace 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.
-VIEWS_EXPORT void SetURLAndDragImage(const GURL& url,
-                                     const string16& title,
-                                     const SkBitmap& icon,
-                                     ui::OSExchangeData* data);
-
-// Creates a dragging image to be displayed when the user drags a file from
-// Chrome (via the download manager, for example). The drag image is set into
-// the supplied data_object. 'file_name' can be a full path, but the directory
-// portion will be truncated in the drag image.
-VIEWS_EXPORT void CreateDragImageForFile(const FilePath& file_name,
-                                         const SkBitmap* icon,
-                                         ui::OSExchangeData* data_object);
-
-// Sets the drag image on data_object from the supplied canvas. width/height
-// are the size of the image to use, and the offsets give the location of
-// the hotspot for the drag image.
-VIEWS_EXPORT void SetDragImageOnDataObject(const gfx::Canvas& canvas,
-                                           const gfx::Size& size,
-                                           const gfx::Point& cursor_offset,
-                                           ui::OSExchangeData* data_object);
-
-// Sets the drag image on data_object from the supplied bitmap. width/height
-// are the size of the image to use, and the offsets give the location of
-// the hotspot for the drag image.
-VIEWS_EXPORT void SetDragImageOnDataObject(const SkBitmap& bitmap,
-                                           const gfx::Size& size,
-                                           const gfx::Point& cursor_offset,
-                                           ui::OSExchangeData* data_object);
-
-}  // namespace drag_utils
-
-#endif  // UI_VIEWS_DRAG_UTILS_H_