Replace own callback handling with Promises.

chrome/browser/ui/webui/options/managed_user_import_handler.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/options/managed_user_import_handler.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
@@ skipping 104 matching lines @@
         base::Bind(&ManagedUserImportHandler::SendExistingManagedUsers,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 }
 
 void ManagedUserImportHandler::SendExistingManagedUsers(
     const base::DictionaryValue* dict) {
   DCHECK(dict);
   const ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
+
+  // Collect the ids of local supervised user profiles.
   std::set<std::string> managed_user_ids;
-  for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i)
-    managed_user_ids.insert(cache.GetManagedUserIdOfProfileAtIndex(i));
+  for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
+    if (cache.ProfileIsManagedAtIndex(i))
+      managed_user_ids.insert(cache.GetManagedUserIdOfProfileAtIndex(i));
+  }
 
   base::ListValue managed_users;
   for (base::DictionaryValue::Iterator it(*dict); !it.IsAtEnd(); it.Advance()) {
     const base::DictionaryValue* value = NULL;
     bool success = it.value().GetAsDictionary(&value);
     DCHECK(success);
     std::string name;
     value->GetString(ManagedUserSyncService::kName, &name);
     std::string avatar_str;
     value->GetString(ManagedUserSyncService::kChromeAvatar, &avatar_str);
@@ skipping 46 matching lines @@
   GoogleServiceAuthError::State state =
       signin_global_error->GetLastAuthError().state();
 
   return state == GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS ||
       state == GoogleServiceAuthError::USER_NOT_SIGNED_UP ||
       state == GoogleServiceAuthError::ACCOUNT_DELETED ||
       state == GoogleServiceAuthError::ACCOUNT_DISABLED;
 }
 
 }  // namespace options