base::Bind: Convert FileUtilProxy::ReadDirectoryCallback.

webkit/fileapi/file_system_file_util_proxy.h

 // Copyright (c) 2011 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"
@@ skipping 79 matching lines @@
   // callback.
   static bool GetFileInfo(
       const FileSystemOperationContext& context,
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       const FilePath& file_path,
       const GetFileInfoCallback& callback);
 
   static bool ReadDirectory(const FileSystemOperationContext& context,
                             scoped_refptr<MessageLoopProxy> message_loop_proxy,
                             const FilePath& file_path,
-                            ReadDirectoryCallback* callback);
+                            const ReadDirectoryCallback& callback);
 
   // Creates directory at given path. It's an error to create
   // if |exclusive| is true and dir already exists.
   static bool CreateDirectory(
       const FileSystemOperationContext& context,
       scoped_refptr<MessageLoopProxy> message_loop_proxy,
       const FilePath& file_path,
       bool exclusive,
       bool recursive,
       StatusCallback* callback);
@@ skipping 48 matching lines @@
       int64 length,
       StatusCallback* callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemFileUtilProxy);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_