Move RefCountedMemory class to base namespace.

chrome/browser/history/thumbnail_database.h

 // 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_THUMBNAIL_DATABASE_H_
 #define CHROME_BROWSER_HISTORY_THUMBNAIL_DATABASE_H_
 #pragma once
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/history/history_types.h"
 #include "sql/connection.h"
 #include "sql/init_status.h"
 #include "sql/meta_table.h"
 #include "sql/statement.h"
 
 class FilePath;
-class RefCountedMemory;
 struct ThumbnailScore;
 class SkBitmap;
 
 namespace base {
+class RefCountedMemory;
 class Time;
 }
 
 namespace gfx {
 class Image;
 }
 
 namespace history {
 
 class ExpireHistoryBackend;
@@ skipping 62 matching lines @@
   // Called by the to delete all old thumbnails and make a clean table.
   // Returns true on success.
   bool RecreateThumbnailTable();
 
   // Favicons ------------------------------------------------------------------
 
   // Sets the bits for a favicon. This should be png encoded data.
   // The time indicates the access time, and is used to detect when the favicon
   // should be refreshed.
   bool SetFavicon(FaviconID icon_id,
-                  scoped_refptr<RefCountedMemory> icon_data,
+                  scoped_refptr<base::RefCountedMemory> icon_data,
                   base::Time time);
 
   // Sets the time the favicon was last updated.
   bool SetFaviconLastUpdateTime(FaviconID icon_id, base::Time time);
 
   // Returns the id of the entry in the favicon database with the specified url
   // and icon type. If |required_icon_type| contains multiple icon types and
   // there are more than one matched icon in database, only one icon will be
   // returned in the priority of TOUCH_PRECOMPOSED_ICON, TOUCH_ICON, and
   // FAVICON, and the icon type is returned in icon_type parameter if it is not
@@ skipping 208 matching lines @@
   const HistoryPublisher* history_publisher_;
 
   // True if migration to TopSites has been done and the thumbnails
   // table should not be used.
   bool use_top_sites_;
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_THUMBNAIL_DATABASE_H_