Add DeviceADPolicyManager to provide AD policy.

chrome/browser/chromeos/settings/install_attributes.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/settings/install_attributes.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 307 matching lines @@
 }
 
 bool InstallAttributes::IsEnterpriseDevice() const {
   if (!device_locked_) {
     return false;
   }
   return registration_mode_ == policy::DEVICE_MODE_ENTERPRISE ||
       registration_mode_ == policy::DEVICE_MODE_ENTERPRISE_AD;
 }
 
+bool InstallAttributes::IsEnterpriseAD() const {
+  if (!device_locked_) {
+    return false;
+  }
+  return registration_mode_ == policy::DEVICE_MODE_ENTERPRISE_AD;
+}
+
 bool InstallAttributes::IsConsumerKioskDeviceWithAutoLaunch() {
   return device_locked_ &&
          registration_mode_ == policy::DEVICE_MODE_CONSUMER_KIOSK_AUTOLAUNCH;
 }
 
 void InstallAttributes::TriggerConsistencyCheck(int dbus_retries) {
   cryptohome_client_->TpmIsOwned(
       base::Bind(&InstallAttributes::OnTpmOwnerCheckCompleted,
                  weak_ptr_factory_.GetWeakPtr(),
                  dbus_retries));
@@ skipping 161 matching lines @@
     return;
   }
 
   WarnIfNonempty(attr_map, kAttrConsumerKioskEnabled);
   if (user_deprecated.empty()) {
     registration_mode_ = policy::DEVICE_MODE_CONSUMER;
   }
 }
 
 }  // namespace chromeos