// 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_UNDO_OPERATION_H_ | |
#define CHROME_BROWSER_UNDO_UNDO_OPERATION_H_ | |
// Base class for all undo operations. | |
class UndoOperation { | |
public: | |
virtual ~UndoOperation() {} | |
virtual void Undo() = 0; | |
}; | |
#endif // CHROME_BROWSER_UNDO_UNDO_OPERATION_H_ |