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

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_
+#pragma once
+
+#include "base/string16.h"
+#include "ui/views/views_export.h"
+
+class GURL;
+class SkBitmap;
+
+namespace ui {
+class OSExchangeData;
+}
+
+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.
+VIEWS_EXPORT void SetURLAndDragImage(const GURL& url,
+                                     const string16& title,
+                                     const SkBitmap& icon,
+                                     ui::OSExchangeData* data);
+
+}  // namespace drag_utils
+
+#endif  // UI_VIEWS_BUTTON_DRAG_UTILS_H_