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..9af3219793d75985482f415410374dddc888615e 100644
--- a/chrome/browser/chromeos/login/screens/host_pairing_screen.h
+++ b/chrome/browser/chromeos/login/screens/host_pairing_screen.h
@@ -9,6 +9,7 @@
 #include "chrome/browser/chromeos/login/enrollment/enterprise_enrollment_helper.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
 #include "chrome/browser/chromeos/login/screens/host_pairing_screen_actor.h"
+#include "chrome/browser/chromeos/policy/active_directory_join_delegate.h"
 #include "components/login/screens/screen_context.h"
 #include "components/pairing/host_pairing_controller.h"
 
@@ -18,7 +19,8 @@ class HostPairingScreen
     : public BaseScreen,
       public pairing_chromeos::HostPairingController::Observer,
       public HostPairingScreenActor::Delegate,
-      public EnterpriseEnrollmentHelper::EnrollmentStatusConsumer {
+      public EnterpriseEnrollmentHelper::EnrollmentStatusConsumer,
+      public ActiveDirectoryJoinDelegate {
  public:
   class Delegate {
    public:
@@ -77,6 +79,9 @@ class HostPairingScreen
   void OnAuthCleared();
   void OnAnyEnrollmentError();
 
+  // Implements ActiveDirectoryJoinDelegate.

[achuithb, 2017/02/13 13:39:02]

Use the same comment form as above for consistency:
// Overridden from ActiveDirectoryJoinDelegate:

Also, move this to right after the EnrollmentStatusConsumer overrides.

[Roman Sorokin (ftl), 2017/02/14 12:47:10]

Done.

+  void JoinDomain(OnDomainJoinedCallback on_joined_callback) override;
+
   Delegate* delegate_;

[achuithb, 2017/02/13 13:39:02]

= nullptr

[Roman Sorokin (ftl), 2017/02/14 12:47:10]

Done.

 
   HostPairingScreenActor* actor_;

[achuithb, 2017/02/13 13:39:02]

= nullptr

[Roman Sorokin (ftl), 2017/02/14 12:47:10]

Done.