Update charted to 0.4.8 and roll

packages/csslib/test/selector_test.dart

Index: packages/csslib/test/selector_test.dart
diff --git a/packages/csslib/test/selector_test.dart b/packages/csslib/test/selector_test.dart
index aefab164d0ed0f356aeddaaf5e3ca7e7f2e15dfa..66e208075630a8ca1b2b1ca9eb5659b6b0f9143a 100644
--- a/packages/csslib/test/selector_test.dart
+++ b/packages/csslib/test/selector_test.dart
@@ -5,12 +5,13 @@
 library selector_test;
 
 import 'package:csslib/parser.dart';
+import 'package:csslib/src/messages.dart';
 import 'package:test/test.dart';
 
 import 'testing.dart';
 
 void testSelectorSuccesses() {
-  var errors = [];
+  var errors = <Message>[];
   var selectorAst = selector('#div .foo', errors: errors);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect('#div .foo', compactOuptut(selectorAst));
@@ -45,17 +46,38 @@ void testSelectorSuccesses() {
   selectorAst = selector('#_privateId', errors: errors..clear());
   expect(errors.isEmpty, true, reason: errors.toString());
   expect('#_privateId', compactOuptut(selectorAst));
+
+  selectorAst = selector(':host', errors: errors..clear());
+  expect(errors.isEmpty, true, reason: errors.toString());
+  expect(compactOuptut(selectorAst), ':host');
+
+  selectorAst = selector(':host(.foo)', errors: errors..clear());
+  expect(errors.isEmpty, true, reason: errors.toString());
+  expect(compactOuptut(selectorAst), ':host(.foo)');
+
+  selectorAst = selector(':host-context(.foo)', errors: errors..clear());
+  expect(errors.isEmpty, true, reason: errors.toString());
+  expect(compactOuptut(selectorAst), ':host-context(.foo)');
+
+  selectorAst = selector('.a /deep/ .b', errors: errors..clear());
+  expect(errors.isEmpty, true, reason: errors.toString());
+  expect(compactOuptut(selectorAst), '.a /deep/ .b');
+
+  selectorAst = selector('.x >>> .y', errors: errors..clear());
+  expect(errors.isEmpty, true, reason: errors.toString());
+  expect(compactOuptut(selectorAst), '.x >>> .y');
 }
 
 // TODO(terry): Move this failure case to a failure_test.dart when the analyzer
 //              and validator exit then they'll be a bunch more checks.
 void testSelectorFailures() {
-  var errors = [];
+  var errors = <Message>[];
 
   // Test for invalid class name (can't start with number).
   selector('.foobar .1a-story .xyzzy', errors: errors);
   expect(errors.isEmpty, false);
-  expect(errors[0].toString(),
+  expect(
+      errors[0].toString(),
       'error on line 1, column 9: name must start with a alpha character, but '
       'found a number\n'
       '.foobar .1a-story .xyzzy\n'