Move more dnd related files to ui/base

chrome/browser/ui/views/bookmark_bar_view.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 CHROME_BROWSER_UI_VIEWS_BOOKMARK_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_BOOKMARK_BAR_VIEW_H_
 #pragma once
 
 #include <set>
 
@@ skipping 391 matching lines @@
   // Shows the menu used during drag and drop for the specified node.
   void ShowDropFolderForNode(const BookmarkNode* node);
 
   // Cancels the timer used to show a drop menu.
   void StopShowFolderDropMenuTimer();
 
   // Stars the timer used to show a drop menu for node.
   void StartShowFolderDropMenuTimer(const BookmarkNode* node);
 
   // Returns the drop operation and index for the drop based on the event
-  // and data. Returns DragDropTypes::DRAG_NONE if not a valid location.
+  // and data. Returns ui::DragDropTypes::DRAG_NONE if not a valid location.
   int CalculateDropOperation(const views::DropTargetEvent& event,
                              const BookmarkNodeData& data,
                              int* index,
                              bool* drop_on,
                              bool* is_over_overflow,
                              bool* is_over_other);
 
   // Returns the index of the first hidden bookmark button. If all buttons are
   // visible, this returns GetBookmarkButtonCount().
   int GetFirstHiddenNodeIndex();
@@ skipping 78 matching lines @@
   // overflow_button_ or a button on the bar.
   views::CustomButton* throbbing_view_;
 
   // Background for extension toolstrips.
   SkBitmap toolstrip_background_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARK_BAR_VIEW_H_