Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/serve/gets_first_if_git_ref_changed_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_git_ref_changed_test.dart b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_git_ref_changed_test.dart
index 5c6b3f8f52cbd6f01a9229b885c13315d82407c3..2b43f9f8e4e712533b12f5a7947d15ab8f076d8d 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_git_ref_changed_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_git_ref_changed_test.dart
@@ -1,7 +1,13 @@
+// Copyright (c) 2013, 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();
   integration(
@@ -12,10 +18,14 @@ main() {
         d.git('foo.git', [d.libDir('foo', 'before'), d.libPubspec('foo', '1.0.0')]);
     repo.create();
     var commit1 = repo.revParse('HEAD');
+
     d.git(
         'foo.git',
         [d.libDir('foo', 'after'), d.libPubspec('foo', '1.0.0')]).commit();
+
     var commit2 = repo.revParse('HEAD');
+
+    // Lock it to the ref of the first commit.
     d.appDir({
       "foo": {
         "git": {
@@ -24,7 +34,10 @@ main() {
         }
       }
     }).create();
+
     pubGet();
+
+    // Change the commit in the pubspec.
     d.appDir({
       "foo": {
         "git": {
@@ -33,6 +46,7 @@ main() {
         }
       }
     }).create();
+
     pubServe(shouldGetFirst: true);
     requestShouldSucceed("packages/foo/foo.dart", 'main() => "after";');
     endPubServe();