updated UI, default profile name, check for existing supervised user before create

chrome/browser/ui/webui/signin/md_user_manager_ui.cc

 // Copyright 2016 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/signin/md_user_manager_ui.h"
 
 #include <string>
 
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/signin/signin_create_profile_handler.h"
 #include "chrome/browser/ui/webui/signin/user_manager_screen_handler.h"
 #include "chrome/browser/ui/webui/theme_source.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/browser_resources.h"
 #include "grit/settings_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/web_ui_util.h"
 
+#if defined(ENABLE_SUPERVISED_USERS)
+#include "chrome/browser/ui/webui/signin/signin_supervised_user_import_handler.h"
+#endif
+
 MDUserManagerUI::MDUserManagerUI(content::WebUI* web_ui)
     : WebUIController(web_ui),
       signin_create_profile_handler_(new SigninCreateProfileHandler()),
       user_manager_screen_handler_(new UserManagerScreenHandler()) {
   // The web_ui object takes ownership of these handlers, and will
   // destroy them when it (the WebUI) is destroyed.
   web_ui->AddMessageHandler(signin_create_profile_handler_);
   web_ui->AddMessageHandler(user_manager_screen_handler_);
+#if defined(ENABLE_SUPERVISED_USERS)
+  signin_supervised_user_import_handler_ =
+      new SigninSupervisedUserImportHandler();
+  web_ui->AddMessageHandler(signin_supervised_user_import_handler_);
+#endif
 
   base::DictionaryValue localized_strings;
   GetLocalizedStrings(&localized_strings);
 
   Profile* profile = Profile::FromWebUI(web_ui);
   // Set up the chrome://user-chooser/ source.
   content::WebUIDataSource::Add(profile, CreateUIDataSource(localized_strings));
 
 #if defined(ENABLE_THEMES)
   // Set up the chrome://theme/ source
@@ skipping 57 matching lines @@
   signin_create_profile_handler_->GetLocalizedValues(localized_strings);
   const std::string& app_locale = g_browser_process->GetApplicationLocale();
   webui::SetLoadTimeDataDefaults(app_locale, localized_strings);
 
 #if defined(GOOGLE_CHROME_BUILD)
   localized_strings->SetString("buildType", "chrome");
 #else
   localized_strings->SetString("buildType", "chromium");
 #endif
 }