Further polish to extensions_ui page

chrome/browser/extensions/extensions_ui.h

 // Copyright (c) 2006-2009 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_EXTENSIONS_EXTENSIONS_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/dom_ui/dom_ui.h"
 #include "chrome/browser/extensions/pack_extension_job.h"
 #include "chrome/browser/shell_dialogs.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "googleurl/src/gurl.h"
 
 class DictionaryValue;
 class Extension;
 class ExtensionsService;
 class FilePath;
+class PrefService;
 class UserScript;
 class Value;
 
 // Information about a page running in an extension, for example a toolstrip,
 // a background page, or a tab contents.
 struct ExtensionPage {
   ExtensionPage(const GURL& url, int render_process_id, int render_view_id)
     : url(url), render_process_id(render_process_id),
       render_view_id(render_view_id) {}
   GURL url;
@@ skipping 43 matching lines @@
   // ExtensionPackJob::Client
   virtual void OnPackSuccess(const FilePath& crx_file,
                              const FilePath& key_file);
 
   virtual void OnPackFailure(const std::wstring& message);
 
  private:
   // Callback for "requestExtensionsData" message.
   void HandleRequestExtensionsData(const Value* value);
 
+  // Callback for "toggleDeveloperMode" message.
+  void HandleToggleDeveloperMode(const Value* value);
+
   // Callback for "inspect" message.
   void HandleInspectMessage(const Value* value);
 
   // Callback for "reload" message.
   void HandleReloadMessage(const Value* value);
 
   // Callback for "enable" message.
   void HandleEnableMessage(const Value* value);
 
   // Callback for "uninstall" message.
@@ skipping 50 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsDOMHandler);
 };
 
 class ExtensionsUI : public DOMUI {
  public:
   explicit ExtensionsUI(TabContents* contents);
 
   static RefCountedMemory* GetFaviconResourceBytes();
 
+  static void RegisterUserPrefs(PrefService* prefs);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionsUI);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_