ChromeOS MD-OOBE: Add HID detection screen.

chrome/browser/ui/webui/chromeos/login/oobe_ui.cc

 // Copyright (c) 2012 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/chromeos/login/oobe_ui.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 494 matching lines @@
     localized_strings->SetString("bootIntoWallpaper", "off");
   }
 
   bool keyboard_driven_oobe =
       system::InputDeviceSettings::Get()->ForceKeyboardDrivenUINavigation();
   localized_strings->SetString("highlightStrength",
                                keyboard_driven_oobe ? "strong" : "normal");
 
   bool new_kiosk_ui = KioskAppMenuHandler::EnableNewKioskUI();
   localized_strings->SetString("newKioskUI", new_kiosk_ui ? "on" : "off");
-  localized_strings->SetString(
-      "newOobeUI",
-      g_browser_process->local_state()->GetBoolean(prefs::kOobeMdMode) ? "on"
-                                                                       : "off");
+  oobe_ui_md_mode_ =
+      g_browser_process->local_state()->GetBoolean(prefs::kOobeMdMode);
+  localized_strings->SetString("newOobeUI", oobe_ui_md_mode_ ? "on" : "off");
 }
 
 void OobeUI::AddScreenHandler(std::unique_ptr<BaseScreenHandler> handler) {
   handlers_.push_back(handler.get());
   web_ui()->AddMessageHandler(std::move(handler));
 }
 
 void OobeUI::InitializeHandlers() {
   ready_ = true;
   for (size_t i = 0; i < ready_callbacks_.size(); ++i)
@@ skipping 86 matching lines @@
     // TODO: Ash needs to expose screen dimming api. See
     // http://crbug.com/646034.
     NOTIMPLEMENTED();
   }
 
   current_screen_ = new_screen;
   for (Observer& observer : observer_list_)
     observer.OnCurrentScreenChanged(current_screen_, new_screen);
 }
 
+void OobeUI::UpdateLocalizedStringsIfNeeded() {
+  if (oobe_ui_md_mode_ ==
+      g_browser_process->local_state()->GetBoolean(prefs::kOobeMdMode)) {
+    return;
+  }
+
+  base::DictionaryValue localized_strings;
+  GetLocalizedStrings(&localized_strings);
+  static_cast<CoreOobeActor*>(core_handler_)->ReloadContent(localized_strings);
+}
+
 }  // namespace chromeos