Eliminate Bookmarks dependence to bookmark_undo_utils.h.

chrome/browser/undo/bookmark_undo_service.h

 // Copyright 2013 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_UNDO_BOOKMARK_UNDO_SERVICE_H_
 #define CHROME_BROWSER_UNDO_BOOKMARK_UNDO_SERVICE_H_
 
 #include <map>
 
 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
@@ skipping 36 matching lines @@
                                  int index) OVERRIDE;
   virtual void OnWillRemoveBookmarks(BookmarkModel* model,
                                      const BookmarkNode* parent,
                                      int old_index,
                                      const BookmarkNode* node) OVERRIDE;
   virtual void OnWillRemoveAllBookmarks(BookmarkModel* model) OVERRIDE;
   virtual void OnWillChangeBookmarkNode(BookmarkModel* model,
                                         const BookmarkNode* node) OVERRIDE;
   virtual void OnWillReorderBookmarkNode(BookmarkModel* model,
                                          const BookmarkNode* node) OVERRIDE;
+  virtual void GroupedBookmarkChangesBeginning(BookmarkModel* model) OVERRIDE;
+  virtual void GroupedBookmarkChangesEnded(BookmarkModel* model) OVERRIDE;
 
   // BookmarkRenumberObserver:
   virtual void OnBookmarkRenumbered(int64 old_id, int64 new_id) OVERRIDE;
 
   Profile* profile_;
   UndoManager undo_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkUndoService);
 };
 
 #endif  // CHROME_BROWSER_UNDO_BOOKMARK_UNDO_SERVICE_H_