Remove unused email from install attributes and add support for AD.

chrome/browser/chromeos/policy/device_cloud_policy_store_chromeos_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/chromeos/policy/device_cloud_policy_store_chromeos.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 45 matching lines @@
 
   void SetUp() override {
     DeviceSettingsTestBase::SetUp();
 
     dbus_setter_->SetCryptohomeClient(
         std::unique_ptr<chromeos::CryptohomeClient>(fake_cryptohome_client_));
 
     base::RunLoop loop;
     chromeos::InstallAttributes::LockResult result;
     install_attributes_->LockDevice(
-        PolicyBuilder::kFakeUsername,
         DEVICE_MODE_ENTERPRISE,
+        PolicyBuilder::kFakeDomain,
+        std::string(),  // realm
         PolicyBuilder::kFakeDeviceId,
         base::Bind(&CopyLockResult, &loop, &result));
     loop.Run();
     ASSERT_EQ(chromeos::InstallAttributes::LOCK_SUCCESS, result);
   }
 
   void ExpectFailure(CloudPolicyStore::Status expected_status) {
     EXPECT_EQ(expected_status, store_->status());
     EXPECT_TRUE(store_->is_initialized());
     EXPECT_FALSE(store_->has_policy());
@@ skipping 196 matching lines @@
 
 TEST_F(DeviceCloudPolicyStoreChromeOSTest, InstallInitialPolicyNotEnterprise) {
   PrepareNewSigningKey();
   ResetToNonEnterprise();
   store_->InstallInitialPolicy(device_policy_.policy());
   FlushDeviceSettings();
   ExpectFailure(CloudPolicyStore::STATUS_BAD_STATE);
 }
 
 }  // namespace policy