Show a different banner in chrome://settings for extension-controlled settings.

chrome/browser/ui/webui/options/advanced_options_handler.h

 // Copyright (c) 2011 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_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/prefs/pref_set_observer.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_setup_handler.h"
 #include "chrome/browser/ui/shell_dialogs.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
-class OptionsManagedBannerHandler;
 class CloudPrintSetupHandler;
 
 // Chrome advanced options page UI handler.
 class AdvancedOptionsHandler
     : public OptionsPageUIHandler,
       public SelectFileDialog::Listener,
       public CloudPrintSetupHandlerDelegate {
  public:
   AdvancedOptionsHandler();
   virtual ~AdvancedOptionsHandler();
@@ skipping 140 matching lines @@
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
   BooleanPrefMember background_mode_enabled_;
 #endif
 
   FilePathPrefMember default_download_location_;
   BooleanPrefMember ask_for_save_location_;
   BooleanPrefMember allow_file_selection_dialogs_;
   StringPrefMember auto_open_files_;
   IntegerPrefMember default_font_size_;
   scoped_ptr<PrefSetObserver> proxy_prefs_;
-  scoped_ptr<OptionsManagedBannerHandler> banner_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AdvancedOptionsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_ADVANCED_OPTIONS_HANDLER_H_