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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SYSTEM_OPTIONS_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SYSTEM_OPTIONS_HANDLER_H_
      7 #pragma once
      8 
      9 #include "chrome/browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h"
     10 
     11 class DictionaryValue;
     12 
     13 // ChromeOS system options page UI handler.
     14 class SystemOptionsHandler : public chromeos::CrosOptionsPageUIHandler {
     15  public:
     16   SystemOptionsHandler();
     17   virtual ~SystemOptionsHandler();
     18 
     19   // OptionsPageUIHandler implementation.
     20   virtual void GetLocalizedValues(DictionaryValue* localized_strings);
     21   virtual void Initialize();
     22 
     23   virtual void RegisterMessages();
     24 
     25   // Called when the accessibility checkbox value is changed.
     26   // |args| will contain the checkbox checked state as a string
     27   // ("true" or "false").
     28   void AccessibilityChangeCallback(const ListValue* args);
     29 
     30  private:
     31   DISALLOW_COPY_AND_ASSIGN(SystemOptionsHandler);
     32 };
     33 
     34 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SYSTEM_OPTIONS_HANDLER_H_
     35