Move RefCountedMemory class to base namespace.

chrome/browser/history/expire_history_backend_unittest.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 <algorithm>
 #include <string>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 321 matching lines @@
   return icon_mapping.icon_id;
 }
 
 bool ExpireHistoryTest::HasThumbnail(URLID url_id) {
   // TODO(sky): fix this. This test isn't really valid for TopSites. For
   // TopSites we should be checking URL always, not the id.
   URLRow info;
   if (!main_db_->GetURLRow(url_id, &info))
     return false;
   GURL url = info.url();
-  scoped_refptr<RefCountedMemory> data;
+  scoped_refptr<base::RefCountedMemory> data;
   return top_sites_->GetPageThumbnail(url, &data);
 }
 
 int ExpireHistoryTest::CountTextMatchesForURL(const GURL& url) {
   if (!text_db_.get())
     return 0;
 
   // "body" should match all pages in the example data.
   std::vector<TextDatabase::Match> results;
   QueryOptions options;
@@ skipping 600 matching lines @@
   main_db_->GetVisitsForURL(url_id, &archived_visits);
   EXPECT_EQ(0U, archived_visits.size());
 }
 
 // TODO(brettw) add some visits with no URL to make sure everything is updated
 // properly. Have the visits also refer to nonexistent FTS rows.
 //
 // Maybe also refer to invalid favicons.
 
 }  // namespace history