Remove uses of Options from pkg, samples, tests, and third_party directories.

pkg/csslib/test/run_all.dart

Index: pkg/csslib/test/run_all.dart
diff --git a/pkg/csslib/test/run_all.dart b/pkg/csslib/test/run_all.dart
index 2ec893889ea17280038b4cf6aede79051523afef..f57ff3eeeca6a62bbeaad818e84e2a04abf59d19 100644
--- a/pkg/csslib/test/run_all.dart
+++ b/pkg/csslib/test/run_all.dart
@@ -23,10 +23,8 @@ import 'mixin_test.dart' as mixin_test;
 import 'extend_test.dart' as extend_test;
 import 'big_1_test.dart' as big_1_test;
 
-main() {
-  var args = new Options().arguments;
-
-  var pattern = new RegExp(args.length > 0 ? args[0] : '.');
+main(List<String> arguments) {
+  var pattern = new RegExp(arguments.length > 0 ? arguments[0] : '.');
 
   useCompactVMConfiguration();
   useMockMessages();