Move RefCountedMemory class to base namespace.

chrome/browser/history/top_sites_cache.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/top_sites_cache.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 
 namespace history {
@@ skipping 10 matching lines @@
 }
 
 void TopSitesCache::SetThumbnails(const URLToImagesMap& images) {
   images_ = images;
 }
 
 Images* TopSitesCache::GetImage(const GURL& url) {
   return &images_[GetCanonicalURL(url)];
 }
 
-bool TopSitesCache::GetPageThumbnail(const GURL& url,
-                                     scoped_refptr<RefCountedMemory>* bytes) {
+bool TopSitesCache::GetPageThumbnail(
+    const GURL& url,
+    scoped_refptr<base::RefCountedMemory>* bytes) {
   std::map<GURL, Images>::const_iterator found =
       images_.find(GetCanonicalURL(url));
   if (found != images_.end()) {
     base::RefCountedBytes* data = found->second.thumbnail.get();
     if (data) {
       *bytes = data;
       return true;
     }
   }
   return false;
@@ skipping 51 matching lines @@
     const GURL& url) {
   MostVisitedURL most_visited_url;
   most_visited_url.redirects.push_back(url);
   CanonicalURLEntry entry;
   entry.first = &most_visited_url;
   entry.second = 0u;
   return canonical_urls_.find(entry);
 }
 
 }  // namespace history