Move RefCountedMemory class to base namespace.

chrome/browser/ui/webui/ntp/favicon_webui_handler.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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_UI_WEBUI_NTP_FAVICON_WEBUI_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_FAVICON_WEBUI_HANDLER_H_
 #pragma once
 
 #include <map>
 #include <string>
 
@@ skipping 36 matching lines @@
 
   // Map from request ID to DOM ID so we can make the appropriate callback when
   // the favicon request comes back. This map exists because
   // CancelableRequestConsumerTSimple only takes POD keys.
   std::map<int, std::string> dom_id_map_;
   // A counter to track ID numbers as we use them.
   int id_;
 
   // Raw PNG representation of the favicon to show when the favicon
   // database doesn't have a favicon for a webpage.
-  scoped_refptr<RefCountedMemory> default_favicon_;
+  scoped_refptr<base::RefCountedMemory> default_favicon_;
 
   // Manage retrieval of icons from apps.
   scoped_ptr<ExtensionIconColorManager> app_icon_color_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(FaviconWebUIHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_FAVICON_WEBUI_HANDLER_H_