Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dev_dependency_changed_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dev_dependency_changed_test.dart b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dev_dependency_changed_test.dart
index d9975b3e09e976acbfa694df242534653c0ce5bd..69e8f66ac7bf24d7dba1cdf4b4f07fca64ef19e4 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dev_dependency_changed_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dev_dependency_changed_test.dart
@@ -1,12 +1,21 @@
+// 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 'dart:convert';
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
   integration("gets first if a dev dependency has changed", () {
     d.dir("foo", [d.libPubspec("foo", "0.0.1"), d.libDir("foo")]).create();
+
+    // Create a pubspec with "foo" and a lock file without it.
     d.dir(appPath, [d.pubspec({
         "name": "myapp",
         "dev_dependencies": {
@@ -17,6 +26,7 @@ main() {
       }), d.file("pubspec.lock", JSON.encode({
         'packages': {}
       }))]).create();
+
     pubServe(shouldGetFirst: true);
     requestShouldSucceed("packages/foo/foo.dart", 'main() => "foo";');
     endPubServe();