Move ExtensionSystem into extensions namespace

chrome/browser/extensions/menu_manager.cc

 // 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.
 
 #include "chrome/browser/extensions/menu_manager.h"
 
 #include <algorithm>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 13 matching lines @@
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/context_menu_params.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/gfx/favicon_size.h"
 
 using content::WebContents;
+using extensions::ExtensionSystem;
 
 namespace extensions {
 
 namespace {
 
 // Keys for serialization to and from Value to store in the preferences.
 const char kContextMenusKey[] = "context_menus";
 
 const char kCheckedKey[] = "checked";
 const char kContextsKey[] = "contexts";
@@ skipping 772 matching lines @@
       if (uid < other.uid)
         return true;
       if (uid == other.uid)
         return string_uid < other.string_uid;
     }
   }
   return false;
 }
 
 }  // namespace extensions