WebUI: Move the core files of WebUI from chrome/browser/webui to content/webui.

chrome/browser/webui/shown_sections_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_WEBUI_SHOWN_SECTIONS_HANDLER_H_
 #define CHROME_BROWSER_WEBUI_SHOWN_SECTIONS_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/prefs/pref_change_registrar.h"
-#include "chrome/browser/webui/web_ui.h"
 #include "chrome/common/notification_observer.h"
+#include "content/browser/webui/web_ui.h"
 
 class Extension;
 class Value;
 class PrefService;
 
 // Use for the shown sections bitmask.
 // Currently, only the THUMB and APPS sections can be toggled by the user. Other
 // sections are shown automatically if they have data, and hidden otherwise.
 enum Section {
   // If one of these is set, the corresponding section shows large thumbnails,
@@ skipping 48 matching lines @@
                                    const Extension* extension);
 
  private:
   PrefService* pref_service_;
   PrefChangeRegistrar pref_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ShownSectionsHandler);
 };
 
 #endif  // CHROME_BROWSER_WEBUI_SHOWN_SECTIONS_HANDLER_H_