Move RefCountedMemory class to base namespace.

chrome/browser/ui/webui/downloads_ui.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/ui/webui/downloads_ui.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/singleton.h"
 #include "base/string_piece.h"
 #include "base/threading/thread.h"
@@ skipping 81 matching lines @@
       DownloadServiceFactory::GetForProfile(profile)->GetDownloadManager();
 
   DownloadsDOMHandler* handler = new DownloadsDOMHandler(dlm);
   web_ui->AddMessageHandler(handler);
 
   // Set up the chrome://downloads/ source.
   ChromeURLDataManager::AddDataSource(profile, CreateDownloadsUIHTMLSource());
 }
 
 // static
-RefCountedMemory* DownloadsUI::GetFaviconResourceBytes() {
+base::RefCountedMemory* DownloadsUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadDataResourceBytes(IDR_DOWNLOADS_FAVICON);
 }