Add FileUtileHelper

webkit/fileapi/file_system_file_util.h

Index: webkit/fileapi/file_system_file_util.h
diff --git a/webkit/fileapi/file_system_file_util.h b/webkit/fileapi/file_system_file_util.h
index 1c76984d053ff2e5e3d65d62c55bf52a8a2d72d3..8079cd707f26753c503779e81f1cfdc09272f636 100644
--- a/webkit/fileapi/file_system_file_util.h
+++ b/webkit/fileapi/file_system_file_util.h
@@ -47,22 +47,6 @@ class FileSystemFileUtil {
 
   virtual ~FileSystemFileUtil();
 
-  // Deletes a file or a directory.
-  // It is an error to delete a non-empty directory with recursive=false.
-  //
-  // This method calls one of the following methods depending on whether the
-  // target is a directory or not, and whether the |recursive| flag is given or
-  // not.
-  // - (virtual) DeleteFile,
-  // - (virtual) DeleteSingleDirectory or
-  // - (non-virtual) DeleteDirectoryRecursive which calls two methods above.
-  //
-  // TODO(kinuko): Move this implementation outside FileSystemFileUtil.
-  PlatformFileError Delete(
-      FileSystemOperationContext* context,
-      const FileSystemPath& path,
-      bool recursive);
-
   // Creates or opens a file with the given flags.
   // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create
   // a new file at the given |path| and calls back with