Disable chrome://options UI elements if the corresponding preference is not user-modifiable.

chrome/browser/ui/webui/options/content_settings_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_CONTENT_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CONTENT_SETTINGS_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/plugin_data_remover_helper.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
@@ skipping 67 matching lines @@
   void RemoveException(const ListValue* args);
 
   // Changes the value of an exception. Called after the user is done editing an
   // exception.
   void SetException(const ListValue* args);
 
   // Called to decide whether a given pattern is valid, or if it should be
   // rejected. Called while the user is editing an exception pattern.
   void CheckExceptionPatternValidity(const ListValue* args);
 
-  // Sets the global 3rd party cookies pref.
-  void SetAllowThirdPartyCookies(const ListValue* args);
-
   // Utility functions ---------------------------------------------------------
 
   // Gets the HostContentSettingsMap for the normal profile.
   HostContentSettingsMap* GetContentSettingsMap();
 
   // Gets the HostContentSettingsMap for the incognito profile, or NULL if there
   // is no active incognito session.
   HostContentSettingsMap* GetOTRContentSettingsMap();
 
   // Gets the default setting in string form.
   std::string GetSettingDefaultFromModel(ContentSettingsType type);
 
   // Returns true if the default setting for the given content settings type
   // |type| is managed.
   bool GetDefaultSettingManagedFromModel(ContentSettingsType type);
 
   // Gets the ProtocolHandlerRegistry for the normal profile.
   ProtocolHandlerRegistry* GetProtocolHandlerRegistry();
 
   // Member variables ---------------------------------------------------------
 
   NotificationRegistrar notification_registrar_;
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingsHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CONTENT_SETTINGS_HANDLER_H_