Show different error message if ARC is disabled.

chrome/browser/chromeos/arc/arc_auth_service.h

Index: chrome/browser/chromeos/arc/arc_auth_service.h
diff --git a/chrome/browser/chromeos/arc/arc_auth_service.h b/chrome/browser/chromeos/arc/arc_auth_service.h
index f8bd222204cbe6ba15c22032e69ca2054403547b..b2367b0daa119850230a38d5b11d4632f53ace32 100644
--- a/chrome/browser/chromeos/arc/arc_auth_service.h
+++ b/chrome/browser/chromeos/arc/arc_auth_service.h
@@ -10,6 +10,7 @@
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/arc/auth/arc_auth_info_fetcher.h"
 #include "components/arc/arc_service.h"
 #include "components/arc/common/auth.mojom.h"
 #include "components/arc/instance_holder.h"
@@ -17,8 +18,6 @@
 
 namespace arc {
 
-class ArcAuthInfoFetcher;
-
 // Implementation of ARC authorization.
 // TODO(hidehiko): Move to c/b/c/arc/auth with adding tests.
 class ArcAuthService : public ArcService,
@@ -63,8 +62,10 @@ class ArcAuthService : public ArcService,
       std::unique_ptr<AccountInfoNotifier> account_info_notifier);
 
   // Callbacks when auth info is fetched.
-  void OnEnrollmentTokenFetched(const std::string& enrollment_token);
-  void OnAuthCodeFetched(const std::string& auth_code);
+  void OnEnrollmentTokenFetched(ArcAuthInfoFetcher::Status status,
+                                const std::string& enrollment_token);
+  void OnAuthCodeFetched(ArcAuthInfoFetcher::Status status,
+                         const std::string& auth_code);
 
   // Called to let ARC container know the account info.
   void OnAccountInfoReady(mojom::AccountInfoPtr account_info);