Move RefCountedMemory class to base namespace.

chrome/browser/history/history_backend.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/history/history_backend.h"
 
 #include <list>
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 1923 matching lines @@
     return;
 
   FaviconData favicon;
   GetFaviconFromDB(id, &favicon);
   request->ForwardResult(request->handle(), favicon);
 }
 
 void HistoryBackend::SetFavicon(
     const GURL& page_url,
     const GURL& icon_url,
-    scoped_refptr<RefCountedMemory> data,
+    scoped_refptr<base::RefCountedMemory> data,
     IconType icon_type) {
   DCHECK(data.get());
   if (!thumbnail_db_.get() || !db_.get())
     return;
 
   FaviconID id = thumbnail_db_->GetFaviconIDForFaviconURL(
       icon_url, icon_type, NULL);
   if (!id)
     id = thumbnail_db_->AddFavicon(icon_url, icon_type);
 
@@ skipping 527 matching lines @@
   info.url_id = visit.url_id;
   info.time = visit.visit_time;
   info.transition = visit.transition;
   // If we don't have a delegate yet during setup or shutdown, we will drop
   // these notifications.
   if (delegate_.get())
     delegate_->NotifyVisitDBObserversOnAddVisit(info);
 }
 
 }  // namespace history