Move RefCountedMemory class to base namespace.

chrome/browser/history/history.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.
 
 // The history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 492 matching lines @@
 
 void HistoryService::SetFavicon(const GURL& page_url,
                                 const GURL& icon_url,
                                 const std::vector<unsigned char>& image_data,
                                 history::IconType icon_type) {
   if (!CanAddURL(page_url))
     return;
 
   ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::SetFavicon,
       page_url, icon_url,
-      scoped_refptr<RefCountedMemory>(new base::RefCountedBytes(image_data)),
+      scoped_refptr<base::RefCountedMemory>(
+          new base::RefCountedBytes(image_data)),
       icon_type);
 }
 
 void HistoryService::SetFaviconOutOfDateForPage(const GURL& page_url) {
   ScheduleAndForget(PRIORITY_NORMAL,
                     &HistoryBackend::SetFaviconOutOfDateForPage, page_url);
 }
 
 void HistoryService::CloneFavicon(const GURL& old_page_url,
                                   const GURL& new_page_url) {
@@ skipping 389 matching lines @@
 void HistoryService::RemoveVisitDatabaseObserver(
     history::VisitDatabaseObserver* observer) {
   visit_database_observers_->RemoveObserver(observer);
 }
 
 void HistoryService::NotifyVisitDBObserversOnAddVisit(
     const history::BriefVisitInfo& info) {
   visit_database_observers_->Notify(
       &history::VisitDatabaseObserver::OnAddVisit, info);
 }