Allow re-enrollment to the same domain in case of policy data loss.

chrome/browser/policy/enterprise_install_attributes.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.
 
 #ifndef CHROME_BROWSER_POLICY_ENTERPRISE_INSTALL_ATTRIBUTES_H_
 #define CHROME_BROWSER_POLICY_ENTERPRISE_INSTALL_ATTRIBUTES_H_
 #pragma once
 
 #include <string>
 
@@ skipping 41 matching lines @@
 
   // Gets the device id that was generated when the device was registered.
   // Returns an empty string if the device is not an enterprise device or the
   // device id was not stored in the lockbox (prior to R19).
   std::string GetDeviceId();
 
   // Gets the mode the device was enrolled to. The return value for devices that
   // are not locked yet will be DEVICE_MODE_UNKNOWN.
   DeviceMode GetMode();
 
+  // Extract the domain from the given email.
+  static std::string ExtractDomainName(const std::string& email);

[Mattias Nissler (ping if slow), 2012/06/08 12:06:11]

This should go into Authenticator, which already has the canonicalization helper
for the username already.

[pastarmovj, 2012/06/08 12:56:39]

Done.

+
  private:
   // Makes sure the local caches for enterprise-related install attributes are
   // up-to-date with what cryptohome has.
   void ReadImmutableAttributes();
 
   chromeos::CryptohomeLibrary* cryptohome_;
 
   bool device_locked_;
   std::string registration_user_;
   std::string registration_domain_;
   std::string registration_device_id_;
   DeviceMode registration_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(EnterpriseInstallAttributes);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ENTERPRISE_INSTALL_ATTRIBUTES_H_