Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_DirectoryEntryWrappingImplementation.dart

-// Copyright (c) 2011, 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.
-
-class _DirectoryEntryWrappingImplementation extends _EntryWrappingImplementation implements DirectoryEntry {
-  _DirectoryEntryWrappingImplementation() : super() {}
-
-  static create__DirectoryEntryWrappingImplementation() native {
-    return new _DirectoryEntryWrappingImplementation();
-  }
-
-  DirectoryReader createReader() {
-    return _createReader(this);
-  }
-  static DirectoryReader _createReader(receiver) native;
-
-  void getDirectory(String path, [Object flags = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
-    if (flags === null) {
-      if (successCallback === null) {
-        if (errorCallback === null) {
-          _getDirectory(this, path);
-          return;
-        }
-      }
-    } else {
-      _getDirectory_2(this, path, flags, successCallback, errorCallback);
-      return;
-    }
-    throw "Incorrect number or type of arguments";
-  }
-  static void _getDirectory(receiver, path) native;
-  static void _getDirectory_2(receiver, path, flags, successCallback, errorCallback) native;
-
-  void getFile(String path, [Object flags = null, EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
-    if (flags === null) {
-      if (successCallback === null) {
-        if (errorCallback === null) {
-          _getFile(this, path);
-          return;
-        }
-      }
-    } else {
-      _getFile_2(this, path, flags, successCallback, errorCallback);
-      return;
-    }
-    throw "Incorrect number or type of arguments";
-  }
-  static void _getFile(receiver, path) native;
-  static void _getFile_2(receiver, path, flags, successCallback, errorCallback) native;
-
-  void removeRecursively(VoidCallback successCallback, [ErrorCallback errorCallback = null]) {
-    _removeRecursively(this, successCallback, errorCallback);
-    return;
-  }
-  static void _removeRecursively(receiver, successCallback, errorCallback) native;
-
-  String get typeName() { return "DirectoryEntry"; }
-}