Add FileUtileHelper

webkit/fileapi/file_util_delete_helper.h

Index: webkit/fileapi/file_util_delete_helper.h
diff --git a/webkit/fileapi/file_util_delete_helper.h b/webkit/fileapi/file_util_delete_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..a06588e5194ed082e8ff66ee361babea94fb80ab
--- /dev/null
+++ b/webkit/fileapi/file_util_delete_helper.h
@@ -0,0 +1,36 @@
+// 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_UTIL_DELETE_HELPER_H_
+#define WEBKIT_FILEAPI_FILE_UTIL_DELETE_HELPER_H_
+
+#include "base/platform_file.h"
+
+namespace fileapi {
+
+class FileSystemFileUtil;
+class FileSystemOperationContext;
+class FileSystemPath;
+
+// A helper class for FileUtil Delete operations.
+class FileUtilDeleteHelper {
+ public:
+  FileUtilDeleteHelper(FileSystemOperationContext* context,
+                       FileSystemFileUtil* file_util);
+  ~FileUtilDeleteHelper();
+
+  base::PlatformFileError DoWork(const FileSystemPath& path, bool recursive);
+
+ private:
+  base::PlatformFileError DeleteDirectoryRecursive(const FileSystemPath& path);
+
+  FileSystemOperationContext* context_;
+  FileSystemFileUtil* file_util_;  // Not owned.
+
+  DISALLOW_COPY_AND_ASSIGN(FileUtilDeleteHelper);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_FILEAPI_FILE_UTIL_DELETE_HELPER_H_