Remove generated directories with 100s of files.

client/dom/generated/src/interface/Entry.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING: Do not edit - generated code.
-
-interface Entry {
-
-  final DOMFileSystem filesystem;
-
-  final String fullPath;
-
-  final bool isDirectory;
-
-  final bool isFile;
-
-  final String name;
-
-  void copyTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  void getMetadata(MetadataCallback successCallback, [ErrorCallback errorCallback]);
-
-  void getParent([EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  void moveTo(DirectoryEntry parent, [String name, EntryCallback successCallback, ErrorCallback errorCallback]);
-
-  void remove(VoidCallback successCallback, [ErrorCallback errorCallback]);
-
-  String toURL();
-}