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

chrome/browser/policy/enterprise_install_attributes_unittest.cc

 // 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.
 
 #include "chrome/browser/policy/enterprise_install_attributes.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/cros/cryptohome_library.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 21 matching lines @@
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
 
   EXPECT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
+  // Another user from the4 same domain should also succeed.
+  EXPECT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
+            install_attributes_.LockDevice(
+                "test1@example.com",
+                DEVICE_MODE_ENTERPRISE,
+                kTestDeviceId));
+  // But another domain should fail.
   EXPECT_EQ(EnterpriseInstallAttributes::LOCK_WRONG_USER,
             install_attributes_.LockDevice(
-                "test1@example.com",
+                "test@bluebears.com",
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
 }
 
 TEST_F(EnterpriseInstallAttributesTest, IsEnterpriseDevice) {
   EXPECT_FALSE(install_attributes_.IsEnterpriseDevice());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
@@ skipping 63 matching lines @@
   ASSERT_TRUE(cryptohome_->InstallAttributesFinalize());
   ASSERT_FALSE(cryptohome_->InstallAttributesIsFirstInstall());
   EXPECT_EQ(DEVICE_MODE_ENTERPRISE,
             install_attributes_.GetMode());
   EXPECT_EQ(kTestDomain, install_attributes_.GetDomain());
   EXPECT_EQ(kTestUser, install_attributes_.GetRegistrationUser());
   EXPECT_EQ("", install_attributes_.GetDeviceId());
 }
 
 }  // namespace policy