Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart

Index: sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart b/sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart
index e1c2d4f576fe58aed43ff28e1f2387002bbde1fd..0a747570aee3f01f32dbe82aa4d6d262fca49c1d 100644
--- a/sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/upgrade/git/upgrade_to_nonexistent_pubspec_test.dart
@@ -1,27 +1,40 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS 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';
+
 main() {
   initConfig();
   integration("upgrades Git packages to a nonexistent pubspec", () {
     ensureGit();
+
     var repo =
         d.git('foo.git', [d.libDir('foo'), d.libPubspec('foo', '1.0.0')]);
     repo.create();
+
     d.appDir({
       "foo": {
         "git": "../foo.git"
       }
     }).create();
+
     pubGet();
+
     d.dir(
         packagesPath,
         [d.dir('foo', [d.file('foo.dart', 'main() => "foo";')])]).validate();
+
     repo.runGit(['rm', 'pubspec.yaml']);
     repo.runGit(['commit', '-m', 'delete']);
+
     pubUpgrade(
         error: new RegExp(
             r'Could not find a file named "pubspec.yaml" ' r'in "[^\n]*"\.'));
+
     d.dir(
         packagesPath,
         [d.dir('foo', [d.file('foo.dart', 'main() => "foo";')])]).validate();