Add a regenerate button to regenerate the password in Windows.

rlz/lib/crc8.h

-// Copyright (c) 2012 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.
-//
-// Crc8 utility functions.
-
-#ifndef RLZ_LIB_CRC8_H_
-#define RLZ_LIB_CRC8_H_
-
-namespace rlz_lib {
-// CRC-8 methods:
-class Crc8 {
- public:
-  static bool Generate(const unsigned char* data,
-                       int length,
-                       unsigned char* check_sum);
-  static bool Verify(const unsigned char* data,
-                     int length,
-                     unsigned char checksum,
-                     bool * matches);
-};
-};  // namespace rlz_lib
-
-#endif  // RLZ_LIB_CRC8_H_