Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/serve/watch_removed_file_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/watch_removed_file_test.dart b/sdk/lib/_internal/pub_generated/test/serve/watch_removed_file_test.dart
index 747d6ca11261f2a5686a4538bb0f8013bf577065..222a4e31b6957bd9bd1786087cf5ced61953ff2d 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/watch_removed_file_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/watch_removed_file_test.dart
@@ -1,20 +1,30 @@
+// 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 'package:path/path.dart' as path;
 import 'package:scheduled_test/scheduled_test.dart';
+
 import '../../lib/src/io.dart';
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
   integration("stop serving a file that is removed", () {
     d.dir(
         appPath,
         [d.appPubspec(), d.dir("web", [d.file("index.html", "body")])]).create();
+
     pubServe();
     requestShouldSucceed("index.html", "body");
+
     schedule(
         () => deleteEntry(path.join(sandboxDir, appPath, "web", "index.html")));
+
     waitForBuildSuccess();
     requestShould404("index.html");
     endPubServe();