Move file_util_proxy to base/files.

webkit/fileapi/file_system_file_util_proxy.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 WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_
 
 #include "base/callback.h"
 #include "base/file_path.h"
-#include "base/file_util_proxy.h"
+#include "base/files/file_util_proxy.h"
 #include "base/platform_file.h"
 #include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/file_system_operation.h"
 
 namespace fileapi {
 
 class FileSystemFileUtil;
 class FileSystemOperationContext;
 class FileSystemURL;
 
@@ skipping 146 matching lines @@
       int64 length,
       const StatusCallback& callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemFileUtilProxy);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_FILE_UTIL_PROXY_H_