Remove the Path class from dart:io

sdk/lib/io/directory_impl.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.
 
 part of dart.io;
 
 class _Directory implements Directory {
   static const CREATE_REQUEST = 0;
   static const DELETE_REQUEST = 1;
   static const EXISTS_REQUEST = 2;
   static const CREATE_TEMP_REQUEST = 3;
   static const LIST_START_REQUEST = 4;
   static const LIST_NEXT_REQUEST = 5;
   static const LIST_STOP_REQUEST = 6;
   static const RENAME_REQUEST = 7;
 
   final String path;
   SendPort _directoryService;
 
   _Directory(String this.path) {
     if (path is! String) {
       throw new ArgumentError('${Error.safeToString(path)} '
                               'is not a String');
     }
   }
 
-  _Directory.fromPath(Path path) : this(path.toNativePath());
-
   external static String _current();
   external static _setCurrent(path);
   external static _createTemp(String template);
   external static int _exists(String path);
   external static _create(String path);
   external static _delete(String path, bool recursive);
   external static _rename(String path, String newPath);
   external static List _list(String path, bool recursive, bool followLinks);
   external static SendPort _newServicePort();
 
@@ skipping 52 matching lines @@
       }
     }
     if (future == null) {
       return new Future.value(notFound);
     } else {
       return future;
     }
   }
 
   Future<Directory> createRecursively() {
-    var path = new Path(this.path);
+    var path = new _Path(this.path);
     var dirsToCreate = [];
     var terminator = path.isAbsolute ? '/' : '';
     while (path.toString() != terminator) {
-      dirsToCreate.add(new Directory.fromPath(path));
+      dirsToCreate.add(new Directory(path.toNativePath()));
       path = path.directoryPath;
     }
     return _computeExistingIndex(dirsToCreate).then((index) {
       var future;
       for (var i = index - 1; i >= 0 ; i--) {
         if (future == null) {
           future = dirsToCreate[i].create();
         } else {
           future = future.then((_) {
             return dirsToCreate[i].create();
@@ skipping 16 matching lines @@
     request[1] = path;
     return _directoryService.call(request).then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionOrErrorFromResponse(response, "Creation failed");
       }
       return this;
     });
   }
 
   void createRecursivelySync() {
-    var path = new Path(this.path);
+    var path = new _Path(this.path);
     var dirsToCreate = [];
     var terminator = path.isAbsolute ? '/' : '';
     while (path.toString() != terminator) {
-      var dir = new Directory.fromPath(path);
+      var dir = new Directory(path.toNativePath());
       if (dir.existsSync()) break;
       dirsToCreate.add(dir);
       path = path.directoryPath;
     }
     for (var i = dirsToCreate.length - 1; i >= 0; i--) {
       dirsToCreate[i].createSync();
     }
   }
 
   void createSync({recursive: false}) {
@@ skipping 257 matching lines @@
       controller.addError(
           new DirectoryException("Directory listing failed",
                                  errorPath,
                                  err));
     } else {
       controller.addError(
           new DirectoryException("Internal error"));
     }
   }
 }