Move more dnd related files to ui/base

app/drag_drop_types.h

Index: app/drag_drop_types.h
===================================================================
--- app/drag_drop_types.h	(revision 71798)
+++ app/drag_drop_types.h	(working copy)
@@ -1,31 +0,0 @@
-// Copyright (c) 2009 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 APP_DRAG_DROP_TYPES_H_
-#define APP_DRAG_DROP_TYPES_H_
-#pragma once
-
-#include "build/build_config.h"
-
-#include "base/basictypes.h"
-
-class DragDropTypes {
- public:
-  enum DragOperation {
-    DRAG_NONE = 0,
-    DRAG_MOVE = 1 << 0,
-    DRAG_COPY = 1 << 1,
-    DRAG_LINK = 1 << 2
-  };
-
-#if defined(OS_WIN)
-  static uint32 DragOperationToDropEffect(int drag_operation);
-  static int DropEffectToDragOperation(uint32 effect);
-#elif !defined(OS_MACOSX)
-  static int DragOperationToGdkDragAction(int drag_operation);
-  static int GdkDragActionToDragOperation(int gdk_drag_action);
-#endif
-};
-
-#endif  // APP_DRAG_DROP_TYPES_H_