Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart

Index: sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart b/sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart
index d5b18f6f4e5296019fbcffee3e0cd0081c30bc5b..7d2914e917e0752a20dd5e2726ab9ebb459e01cb 100644
--- a/sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/hosted/version_negotiation_test.dart
@@ -1,14 +1,23 @@
+// 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 'package:scheduled_test/scheduled_server.dart';
 import 'package:scheduled_test/scheduled_test.dart';
 import 'package:shelf/shelf.dart' as shelf;
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
+
 main() {
   initConfig();
+
   forBothPubGetAndUpgrade((command) {
     integration('sends the correct Accept header', () {
       var server = new ScheduledServer();
+
       d.appDir({
         "foo": {
           "hosted": {
@@ -17,17 +26,22 @@ main() {
           }
         }
       }).create();
+
       var pub = startPub(args: [command.name]);
+
       server.handle('GET', '/api/packages/foo', (request) {
         expect(
             request.headers['accept'],
             equals('application/vnd.pub.v2+json'));
         return new shelf.Response(200);
       });
+
       pub.kill();
     });
+
     integration('prints a friendly error if the version is out-of-date', () {
       var server = new ScheduledServer();
+
       d.appDir({
         "foo": {
           "hosted": {
@@ -36,12 +50,16 @@ main() {
           }
         }
       }).create();
+
       var pub = startPub(args: [command.name]);
+
       server.handle(
           'GET',
           '/api/packages/foo',
           (request) => new shelf.Response(406));
+
       pub.shouldExit(1);
+
       pub.stderr.expect(
           emitsLines(
               "Pub 0.1.2+3 is incompatible with the current version of localhost.\n"