Update charted to 0.4.8 and roll

packages/which/test/has_permission_test.dart

Index: packages/which/test/has_permission_test.dart
diff --git a/packages/which/test/has_permission_test.dart b/packages/which/test/has_permission_test.dart
deleted file mode 100755
index cc3181ffbdd7ea4dc3fd1fa39ca0452baf2abb1e..0000000000000000000000000000000000000000
--- a/packages/which/test/has_permission_test.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-
-library which.test.has_permission;
-
-import 'package:unittest/unittest.dart';
-import 'package:which/src/has_permission.dart';
-
-import 'util.dart';
-
-main() {
-  test('hasPermission', () {
-    var mode = parseBinary('010101010101');
-
-    expect(hasPermission(mode, FilePermission.SET_UID), isFalse);
-    expect(hasPermission(mode, FilePermission.SET_GID), isTrue);
-    expect(hasPermission(mode, FilePermission.STICKY), isFalse);
-    expect(hasPermission(mode, FilePermission.READ, role: FilePermissionRole.OWNER), isTrue);
-    expect(hasPermission(mode, FilePermission.WRITE, role: FilePermissionRole.OWNER), isFalse);
-    expect(hasPermission(mode, FilePermission.EXECUTE, role: FilePermissionRole.OWNER), isTrue);
-    expect(hasPermission(mode, FilePermission.READ, role: FilePermissionRole.GROUP), isFalse);
-    expect(hasPermission(mode, FilePermission.WRITE, role: FilePermissionRole.GROUP), isTrue);
-    expect(hasPermission(mode, FilePermission.EXECUTE, role: FilePermissionRole.GROUP), isFalse);
-    expect(hasPermission(mode, FilePermission.READ, role: FilePermissionRole.WORLD), isTrue);
-    expect(hasPermission(mode, FilePermission.WRITE, role: FilePermissionRole.WORLD), isFalse);
-    expect(hasPermission(mode, FilePermission.EXECUTE, role: FilePermissionRole.WORLD), isTrue);
-  });
-}