Eliminate Bookmarks dependence to bookmark_undo_utils.h.

chrome/browser/undo/bookmark_undo_utils.h

 // Copyright 2014 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_UTILS_H_
 #define CHROME_BROWSER_UNDO_BOOKMARK_UNDO_UTILS_H_
 
 #include "base/basictypes.h"
 
 class Profile;
 
 // ScopedSuspendBookmarkUndo --------------------------------------------------
 
 // Scopes the suspension of the undo tracking for non-user initiated changes
 // such as those occuring during profile synchronization.
 class ScopedSuspendBookmarkUndo {
  public:
   explicit ScopedSuspendBookmarkUndo(Profile* profile);
   ~ScopedSuspendBookmarkUndo();
 
  private:
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedSuspendBookmarkUndo);
 };
 
-// ScopedGroupBookmarkActions -------------------------------------------------
-
-// Scopes the grouping of a set of changes into one undoable action.
-class ScopedGroupBookmarkActions {
- public:
-  explicit ScopedGroupBookmarkActions(Profile* profile);
-  ~ScopedGroupBookmarkActions();
-
- private:
-  Profile* profile_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedGroupBookmarkActions);
-};
-
 #endif  // CHROME_BROWSER_UNDO_BOOKMARK_UNDO_UTILS_H_