Add DeviceADPolicyManager to provide AD policy.

chrome/browser/chromeos/settings/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_CHROMEOS_SETTINGS_INSTALL_ATTRIBUTES_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_INSTALL_ATTRIBUTES_H_
 
 #include <map>
 #include <string>
 
@@ skipping 56 matching lines @@
   // be called after the lock has already been taken, in which case it checks
   // that the passed parameters fully agree with the locked attributes.
   // |callback| must not be null and is called with the result.  Must not be
   // called while a previous LockDevice() invocation is still pending.
   void LockDevice(policy::DeviceMode device_mode,
                   const std::string& domain,
                   const std::string& realm,
                   const std::string& device_id,
                   const LockResultCallback& callback);
 
-  // Checks whether this is an enterprise device.
-  bool IsEnterpriseDevice() const;
+  // Checks whether this devices is under any kind of enterprise management.
+  bool IsEnterpriseManaged() const;
+
+  // Checks whether this is a cloud managed enterprise device.
+  bool IsCloudManaged() const;
+
+  // Checks whether this is an Active Directory managed enterprise device.
+  bool IsActiveDirectoryManaged() const;
 
   // Checks whether this is a consumer kiosk enabled device.
   bool IsConsumerKioskDeviceWithAutoLaunch();
 
   // Return the mode the device was enrolled to. The return value for devices
   // that are not locked yet is DEVICE_MODE_UNKNOWN.
   policy::DeviceMode GetMode() const { return registration_mode_; }
 
   // Return the domain this device belongs to or an empty string if the device
   // is not a cloud-managed enterprise device.
@@ skipping 105 matching lines @@
   CryptohomeClient* cryptohome_client_;
 
   base::WeakPtrFactory<InstallAttributes> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InstallAttributes);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_INSTALL_ATTRIBUTES_H_