UserPolicyManagerFactoryChromeOS: Elaborate comment

chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc

Index: chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc b/chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc
index 835f51160734be5a8533f7ff97ce02bd1ed42c63..b0681d7a3dc7629e239e8e25f5cdabd5959ed78c 100644
--- a/chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc
+++ b/chrome/browser/chromeos/policy/user_policy_manager_factory_chromeos.cc
@@ -178,7 +178,7 @@ UserPolicyManagerFactoryChromeOS::CreateManagerForProfile(
     case AccountType::UNKNOWN:
     case AccountType::GOOGLE:
       // TODO(tnagel): Return nullptr for unknown accounts once AccountId
-      // migration is finished.
+      // migration is finished.  (KioskAppManager still needs to be migrated.)
       if (!user->HasGaiaAccount()) {
         return {};
       }