Add a "device disabled" OOBE screen

chrome/browser/ui/webui/chromeos/login/device_disabled_screen_handler.h

+// Copyright 2014 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEVICE_DISABLED_SCREEN_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEVICE_DISABLED_SCREEN_HANDLER_H_
+
+#include "base/macros.h"
+#include "chrome/browser/chromeos/login/screens/device_disabled_screen_actor.h"
+#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
+
+namespace chromeos {
+
+// WebUI implementation of DeviceDisabledScreenActor.
+class DeviceDisabledScreenHandler : public DeviceDisabledScreenActor,
+                                    public BaseScreenHandler {
+ public:
+  DeviceDisabledScreenHandler();
+  ~DeviceDisabledScreenHandler() override;
+
+  // DeviceDisabledScreenActor:
+  void Show() override;
+  void Hide() override;
+  void SetDelegate(Delegate* delegate) override;
+
+  // BaseScreenHandler:
+  void DeclareLocalizedValues(LocalizedValuesBuilder* builder) override;
+  void Initialize() override;
+
+ private:
+  // WebUIMessageHandler:
+  void RegisterMessages() override;
+
+  Delegate* delegate_;
+
+  // Indicates whether the screen should be shown right after initialization.
+  bool show_on_init_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceDisabledScreenHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_DEVICE_DISABLED_SCREEN_HANDLER_H_
+