Move RefCountedMemory class to base namespace.

chrome/browser/history/top_sites_cache.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef CHROME_BROWSER_HISTORY_TOP_SITES_CACHE_H_
 #define CHROME_BROWSER_HISTORY_TOP_SITES_CACHE_H_
 #pragma once
 
 #include <map>
 #include <utility>
 
@@ skipping 17 matching lines @@
   const URLToImagesMap& images() const { return images_; }
 
   // Returns the thumbnail as an Image for the specified url. This adds an entry
   // for |url| if one has not yet been added.
   Images* GetImage(const GURL& url);
 
   // Fetches the thumbnail for the specified url. Returns true if there is a
   // thumbnail for the specified url. It is possible for a URL to be in TopSites
   // but not have an thumbnail.
   bool GetPageThumbnail(const GURL& url,
-                        scoped_refptr<RefCountedMemory>* bytes);
+                        scoped_refptr<base::RefCountedMemory>* bytes);
 
   // Fetches the thumbnail score for the specified url. Returns true if
   // there is a thumbnail score for the specified url.
   bool GetPageThumbnailScore(const GURL& url, ThumbnailScore* score);
 
   // Returns the canonical URL for |url|.
   GURL GetCanonicalURL(const GURL& url);
 
   // Returns true if |url| is known.
   bool IsKnownURL(const GURL& url);
@@ skipping 43 matching lines @@
   // Generated from the redirects to and from the most visited pages. See
   // description above typedef for details.
   CanonicalURLs canonical_urls_;
 
   DISALLOW_COPY_AND_ASSIGN(TopSitesCache);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_CACHE_H_