Implemented screen notifying users about malformed HWID.

chrome/browser/chromeos/login/hwid_checker.h

Index: chrome/browser/chromeos/login/hwid_checker.h
diff --git a/chrome/browser/chromeos/login/hwid_checker.h b/chrome/browser/chromeos/login/hwid_checker.h
new file mode 100644
index 0000000000000000000000000000000000000000..d2eecda2ce73c4dfd325436f1eb9af5cbb97aa4b
--- /dev/null
+++ b/chrome/browser/chromeos/login/hwid_checker.h
@@ -0,0 +1,19 @@
+// Copyright (c) 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_CHROMEOS_LOGIN_HWID_CHECKER_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_HWID_CHECKER_H_
+
+#include <string>
+
+namespace chromeos {
+
+std::string CalculateHWIDChecksum(const std::string& data);

[Nikita (slow), 2013/02/11 17:09:03]

nit: Comment is missing.

[dzhioev (left Google), 2013/02/11 23:32:56]

Done.

+bool IsHWIDCorrect(const std::string& hwid);
+bool IsMachineHWIDCorrect();
+
+} // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HWID_CHECKER_H_
+