Remove the Path class from dart:io

sdk/lib/io/directory.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;
 
 /**
  * [Directory] objects are used for working with directories.
  */
 abstract class Directory implements FileSystemEntity {
   /**
    * Creates a directory object. The path is either an absolute path,
    * or it is a relative path which is interpreted relative to the directory
    * in which the Dart VM was started.
    */
   factory Directory(String path) => new _Directory(path);
 
   /**
-   * Creates a directory object from a Path object. The path is either
-   * an absolute path, or it is a relative path which is interpreted
-   * relative to the directory in which the Dart VM was started.
-   */
-  @deprecated
-  factory Directory.fromPath(Path path) => new _Directory.fromPath(path);
-
-  /**
    * Creates a directory object pointing to the current working
    * directory.
    */
   static Directory get current => _Directory.current;
 
   /**
    * Sets the current working directory of the Dart process including
    * all running isolates. The new value set can be either a [Directory]
    * or a [String].
    *
@@ skipping 194 matching lines @@
       if (path != null) {
         sb.write(", path = $path");
       }
     }
     return sb.toString();
   }
   final String message;
   final String path;
   final OSError osError;
 }