1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_UNDO_UNDO_OPERATION_H_ 6 #define CHROME_BROWSER_UNDO_UNDO_OPERATION_H_ 7 8 // Base class for all undo operations. 9 class UndoOperation { 10 public: ~UndoOperation()11 virtual ~UndoOperation() {} 12 13 virtual void Undo() = 0; 14 }; 15 16 #endif // CHROME_BROWSER_UNDO_UNDO_OPERATION_H_ 17