Update charted to 0.4.8 and roll

packages/path/lib/src/style.dart

 // Copyright (c) 2013, 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 path.style;
-
 import 'context.dart';
 import 'style/posix.dart';
 import 'style/url.dart';
 import 'style/windows.dart';
 
 /// An enum type describing a "flavor" of path.
 abstract class Style {
   /// POSIX-style paths use "/" (forward slash) as separators. Absolute paths
   /// start with "/". Used by UNIX, Linux, Mac OS X, and others.
   static final Style posix = new PosixStyle();
@@ skipping 62 matching lines @@
   String pathFromUri(Uri uri);
 
   @Deprecated("Most style members will be removed in path 2.0.")
   Uri relativePathToUri(String path);
 
   @Deprecated("Most style members will be removed in path 2.0.")
   Uri absolutePathToUri(String path);
 
   String toString() => name;
 }