Fix glob list on Windows.

pkg/glob/lib/src/list_tree.dart

 // Copyright (c) 2014, 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.
 
 library glob.list_tree;
 
 import 'dart:io';
 import 'dart:async';
 
 import 'package:path/path.dart' as p;
 
 import 'ast.dart';
 import 'stream_pool.dart';
+import 'utils.dart';
 
 /// A structure built from a glob that efficiently lists filesystem entities
 /// that match that glob.
 ///
 /// This structure is designed to list the minimal number of physical
 /// directories necessary to find everything that matches the glob. For example,
 /// for the glob `foo/{bar,baz}/*`, there's no need to list the working
 /// directory or even `foo/`; only `foo/bar` and `foo/baz` should be listed.
 ///
 /// This works by creating a tree of [_ListTreeNode]s, each of which corresponds
@@ skipping 340 matching lines @@
             p.join(dir, basename), followLinks: followLinks);
       }));
 
       return entities;
     });
   }
 
   /// Returns whether the native [path] matches [_validator].
   bool _matches(String path) {
     if (_validator == null) return false;
-    return _validator.matches(path);
+    return _validator.matches(toPosixPath(p.context, path));
   }
 
   String toString() => "($_validator) $children";
 }
 
 /// Joins each [components] into a new glob where each component is separated by
 /// a path separator.
 SequenceNode _join(Iterable<AstNode> components) {
   var componentsList = components.toList();
   var nodes = [componentsList.removeAt(0)];
   for (var component in componentsList) {
     nodes.add(new LiteralNode('/'));
     nodes.add(component);
   }
   return new SequenceNode(nodes);
 }