Add error handling for supervised user import flow.

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

 // Copyright (c) 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/manage_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
@@ skipping 66 matching lines @@
 
 void ManageProfileHandler::GetLocalizedValues(
     base::DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
 
   static OptionsStringResource resources[] = {
     { "manageProfilesNameLabel", IDS_PROFILES_MANAGE_NAME_LABEL },
     { "manageProfilesDuplicateNameError",
         IDS_PROFILES_MANAGE_DUPLICATE_NAME_ERROR },
     { "manageProfilesIconLabel", IDS_PROFILES_MANAGE_ICON_LABEL },
+    { "manageProfilesExistingSupervisedUser",
+        IDS_PROFILES_CREATE_EXISTING_MANAGED_USER_ERROR },
     { "manageProfilesManagedSignedInLabel",
         IDS_PROFILES_CREATE_MANAGED_SIGNED_IN_LABEL },
     { "manageProfilesManagedNotSignedInLabel",
         IDS_PROFILES_CREATE_MANAGED_NOT_SIGNED_IN_LABEL },
     { "manageProfilesManagedAccountDetailsOutOfDate",
         IDS_PROFILES_CREATE_MANAGED_ACCOUNT_DETAILS_OUT_OF_DATE_LABEL },
     { "manageProfilesManagedSignInAgainLink",
         IDS_PROFILES_CREATE_MANAGED_ACCOUNT_SIGN_IN_AGAIN_LINK },
     { "manageProfilesManagedNotSignedInLink",
         IDS_PROFILES_CREATE_MANAGED_NOT_SIGNED_IN_LINK },
@@ skipping 366 matching lines @@
     g_browser_process->profile_manager()->profile_shortcut_manager();
   DCHECK(shortcut_manager);
 
   shortcut_manager->RemoveProfileShortcuts(profile_file_path);
 
   // Update the UI buttons.
   OnHasProfileShortcuts(false);
 }
 
 }  // namespace options