Add DeviceADPolicyManager to provide AD policy.

chrome/browser/chromeos/settings/install_attributes.h

Index: chrome/browser/chromeos/settings/install_attributes.h
diff --git a/chrome/browser/chromeos/settings/install_attributes.h b/chrome/browser/chromeos/settings/install_attributes.h
index 94ba7e436994dd297abc638b667bf511d37cf9e2..87a54f885da21a801c298ec2d62c0eeecb1c26b1 100644
--- a/chrome/browser/chromeos/settings/install_attributes.h
+++ b/chrome/browser/chromeos/settings/install_attributes.h
@@ -74,8 +74,14 @@ class InstallAttributes {
                   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();