Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart

Index: sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart b/sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart
index 56c810fa8ca432a910f25b1142c8183374b972ac..3c19427ea4037c69588e5a944d1f6f3fad45e7df 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/supports_user_defined_lazy_transformers_test.dart
@@ -1,7 +1,13 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS d.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.
+
 library pub_tests;
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
   withBarbackVersions("any", () {
@@ -12,9 +18,13 @@ main() {
         }),
             d.dir("lib", [d.dir("src", [d.file("transformer.dart", LAZY_TRANSFORMER)])]),
             d.dir("web", [d.file("foo.txt", "foo")])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       var server = pubServe();
+      // The build should complete without the transformer logging anything.
       server.stdout.expect('Build completed successfully');
+
       requestShouldSucceed("foo.out", "foo.out");
       server.stdout.expect(
           emitsLines('[Info from LazyRewrite]:\n' 'Rewriting myapp|web/foo.txt.'));