Chromad: Use DM server reply to determine enrollment type

chrome/browser/chromeos/login/screens/host_pairing_screen.h

Index: chrome/browser/chromeos/login/screens/host_pairing_screen.h
diff --git a/chrome/browser/chromeos/login/screens/host_pairing_screen.h b/chrome/browser/chromeos/login/screens/host_pairing_screen.h
index b209d5d30c2243f11d43b13a14341f6180bd096b..87e786ccdc05fcbe2cb90a4b0be163a6acd2a429 100644
--- a/chrome/browser/chromeos/login/screens/host_pairing_screen.h
+++ b/chrome/browser/chromeos/login/screens/host_pairing_screen.h
@@ -77,17 +77,17 @@ class HostPairingScreen
   void OnAuthCleared();
   void OnAnyEnrollmentError();
 
-  Delegate* delegate_;
+  Delegate* delegate_ = nullptr;
 
-  HostPairingScreenActor* actor_;
+  HostPairingScreenActor* actor_ = nullptr;
 
   // Controller performing pairing. Owned by the wizard controller.
-  pairing_chromeos::HostPairingController* remora_controller_;
+  pairing_chromeos::HostPairingController* remora_controller_ = nullptr;
 
   std::unique_ptr<EnterpriseEnrollmentHelper> enrollment_helper_;
 
   // Current stage of pairing process.
-  Stage current_stage_;
+  Stage current_stage_ = pairing_chromeos::HostPairingController::STAGE_NONE;
 
   base::WeakPtrFactory<HostPairingScreen> weak_ptr_factory_;