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      1 // Copyright 2014 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_HELP_OVERLAY_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_HELP_OVERLAY_HANDLER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/macros.h"
     10 #include "chrome/browser/ui/webui/options/options_ui.h"
     11 
     12 namespace options {
     13 
     14 // Help UI page handler to support About in Settings when using Settings in a
     15 // window. Defers to ::HelpHandler.
     16 class HelpOverlayHandler : public ::options::OptionsPageUIHandler {
     17  public:
     18   HelpOverlayHandler();
     19   virtual ~HelpOverlayHandler();
     20 
     21   // OptionsPageUIHandler implementation.
     22   virtual void GetLocalizedValues(
     23       base::DictionaryValue* localized_strings) OVERRIDE;
     24 
     25   // WebUIMessageHandler implementation.
     26   virtual void RegisterMessages() OVERRIDE;
     27 
     28  private:
     29   DISALLOW_COPY_AND_ASSIGN(HelpOverlayHandler);
     30 };
     31 
     32 }  // namespace options
     33 
     34 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_HELP_OVERLAY_HANDLER_H_
     35