Implemented screen notifying users about malformed HWID.

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

+// 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_WRONG_HWID_SCREEN_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_WRONG_HWID_SCREEN_HANDLER_H_
+
+#include "base/compiler_specific.h"
+#include "chrome/browser/chromeos/login/wrong_hwid_screen_actor.h"
+#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
+#include "content/public/browser/web_ui.h"
+
+namespace base {
+class DictionaryValue;
+class ListValue;
+}
+
+namespace chromeos {
+
+// WebUI implementation of WrongHWIDScreenActor.
+class WrongHWIDScreenHandler : public WrongHWIDScreenActor,
+                               public BaseScreenHandler {
+ public:
+  WrongHWIDScreenHandler();
+  virtual ~WrongHWIDScreenHandler();
+
+  // WrongHWIDScreenActor implementation:
+  virtual void PrepareToShow() OVERRIDE;
+  virtual void Show() OVERRIDE;
+  virtual void Hide() OVERRIDE;
+  virtual void SetDelegate(Delegate* delegate) OVERRIDE;
+
+  // BaseScreenHandler implementation:
+  virtual void GetLocalizedStrings(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+  virtual void Initialize() OVERRIDE;
+
+  // WebUIMessageHandler implementation:
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  // JS messages handlers.
+  void HandleOnSkip(const base::ListValue* args);
+
+  Delegate* delegate_;
+
+  // Keeps whether screen should be shown right after initialization.
+  bool show_on_init_;
+
+  DISALLOW_COPY_AND_ASSIGN(WrongHWIDScreenHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_WRONG_HWID_SCREEN_HANDLER_H_
+