Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

chrome/browser/tab_contents/render_view_context_menu.h

 // Copyright (c) 2012 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_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_
 #define CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 269 matching lines @@
   string16 PrintableSelectionText();
 
   // The destination URL to use if the user tries to search for or navigate to
   // a text selection.
   GURL selection_navigation_url_;
 
   ui::SimpleMenuModel speech_input_submenu_model_;
   ui::SimpleMenuModel bidi_submenu_model_;
   ui::SimpleMenuModel protocol_handler_submenu_model_;
   ScopedVector<ui::SimpleMenuModel> extension_menu_models_;
-  scoped_refptr<ProtocolHandlerRegistry> protocol_handler_registry_;
+  ProtocolHandlerRegistry* protocol_handler_registry_;
 
   // An observer that handles spelling-menu items.
   scoped_ptr<SpellingMenuObserver> spelling_menu_observer_;
 
   // An observer that handles a 'spell-checker options' submenu.
   scoped_ptr<SpellCheckerSubMenuObserver> spellchecker_submenu_observer_;
 
   // An observer that disables menu items when print preview is active.
   scoped_ptr<PrintPreviewContextMenuObserver> print_preview_menu_observer_;
 
   // Our observers.
   mutable ObserverList<RenderViewContextMenuObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewContextMenu);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_H_