Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/serve/missing_dependency_file_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/missing_dependency_file_test.dart b/sdk/lib/_internal/pub_generated/test/serve/missing_dependency_file_test.dart
index eb6c2310cf176f70a0ae138bb2c73d0fb277e63f..2fe60a4ff3a092d74658a853b6c753793e48283a 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/missing_dependency_file_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/missing_dependency_file_test.dart
@@ -1,16 +1,24 @@
+// 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("responds with a 404 for a missing files in dependencies", () {
     d.dir("foo", [d.libPubspec("foo", "0.0.1")]).create();
+
     d.dir(appPath, [d.appPubspec({
         "foo": {
           "path": "../foo"
         }
       })]).create();
+
     pubGet();
     pubServe();
     requestShould404("packages/foo/nope.dart");