Update charted to 0.4.8 and roll

packages/intl/test/data_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.
 
-/**
- * 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";
 import "package:path/path.dart" as path;
 
 String get dataDirectory {
   return path.join(intlDirectory, datesRelativeToIntl);
 }
 
 /// Returns whether [dir] is the root of the `intl` package. We validate that it
 /// is by looking for a pubspec file with the entry `name: intl`.
 bool _isIntlRoot(String dir) {
   var file = new File(path.join(dir, 'pubspec.yaml'));
   if (!file.existsSync()) return false;
   return file.readAsStringSync().contains('name: intl\n');
 }
 
 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) {
     if (_isIntlRoot(dir)) return dir;
     dir = path.dirname(dir);
   }
   throw new UnsupportedError(
       'Cannot find the root directory of the `intl` package.');
 }
 
 String get datesRelativeToIntl => path.join('lib', 'src', 'data', 'dates');