Update charted to 0.4.8 and roll

packages/intl/test/data_directory.dart

Index: packages/intl/test/data_directory.dart
diff --git a/packages/intl/test/data_directory.dart b/packages/intl/test/data_directory.dart
index 70aa385cfbb7c3518b1bdcba4be4dd76d3882435..72e33c68082d4d0b581b85f7485292c6dd2c79c2 100644
--- a/packages/intl/test/data_directory.dart
+++ b/packages/intl/test/data_directory.dart
@@ -2,15 +2,13 @@
 // 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.
 
-/**
- * A utility function for test and tools that compensates (at least for very
- * simple cases) for file-dependent programs being run from different
- * directories. The important cases are
- *   - running in the directory that contains the test itself, i.e.
- *    test/ or a sub-directory.
- *   - running in root of this package, which is where the editor and bots will
- *   run things by default
- */
+/// A utility function for test and tools that compensates (at least for very
+/// simple cases) for file-dependent programs being run from different
+/// directories. The important cases are
+///   - running in the directory that contains the test itself, i.e.
+///    test/ or a sub-directory.
+///   - running in root of this package, which is where the editor and bots will
+///   run things by default
 library data_directory;
 
 import "dart:io";
@@ -29,7 +27,12 @@ bool _isIntlRoot(String dir) {
 }
 
 String get intlDirectory {
-  var dir = path.fromUri(Platform.script);
+  var dir;
+  if (Platform.script.scheme == 'file') {
+    dir = path.fromUri(Platform.script);
+  } else {
+    dir = Directory.current.absolute.path;
+  }
   var root = path.rootPrefix(dir);
 
   while (dir != root) {