base::Bind: Remove callback_old.h.

webkit/fileapi/file_system_file_util_proxy.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 WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
 
 #include <vector>
 
 #include "base/callback.h"
-#include "base/callback_old.h"
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
 #include "base/tracked_objects.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
@@ skipping 49 matching lines @@
       const ReadDirectoryTask& task,
       const ReadDirectoryCallback& callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemFileUtilProxy);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_