Add DeviceADPolicyManager to provide AD policy.

chrome/browser/ui/webui/policy_ui_handler.h

Index: chrome/browser/ui/webui/policy_ui_handler.h
diff --git a/chrome/browser/ui/webui/policy_ui_handler.h b/chrome/browser/ui/webui/policy_ui_handler.h
index 0b34eac7c5f9e448c2c2ea2e12dace34d0c8e7df..b8e4fa3b27ff2a58ed2d74b313ec900f35aa153b 100644
--- a/chrome/browser/ui/webui/policy_ui_handler.h
+++ b/chrome/browser/ui/webui/policy_ui_handler.h
@@ -31,7 +31,7 @@ struct PolicyStringMap {
   int string_id;
 };
 
-class CloudPolicyStatusProvider;
+class PolicyStatusProvider;
 
 // The JavaScript message handler for the chrome://policy page.
 class PolicyUIHandler : public content::WebUIMessageHandler,
@@ -111,8 +111,8 @@ class PolicyUIHandler : public content::WebUIMessageHandler,
   // Providers that supply status dictionaries for user and device policy,
   // respectively. These are created on initialization time as appropriate for
   // the platform (Chrome OS / desktop) and type of policy that is in effect.
-  std::unique_ptr<CloudPolicyStatusProvider> user_status_provider_;
-  std::unique_ptr<CloudPolicyStatusProvider> device_status_provider_;
+  std::unique_ptr<PolicyStatusProvider> user_status_provider_;
+  std::unique_ptr<PolicyStatusProvider> device_status_provider_;
 
   base::WeakPtrFactory<PolicyUIHandler> weak_factory_;