Regenerate pub sources.

sdk/lib/_internal/pub_generated/lib/src/validator/license.dart

Index: sdk/lib/_internal/pub_generated/lib/src/validator/license.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/validator/license.dart b/sdk/lib/_internal/pub_generated/lib/src/validator/license.dart
index c32c5c9083ebe65d0a970660e345175329e145d9..944b58752b3a0678bf5e975c00b0fd8c53142991 100644
--- a/sdk/lib/_internal/pub_generated/lib/src/validator/license.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/validator/license.dart
@@ -1,11 +1,22 @@
+// 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.validator.license;
+
 import 'dart:async';
+
 import 'package:path/path.dart' as path;
+
 import '../entrypoint.dart';
 import '../utils.dart';
 import '../validator.dart';
+
+/// A validator that checks that a LICENSE-like file exists.
 class LicenseValidator extends Validator {
-  LicenseValidator(Entrypoint entrypoint) : super(entrypoint);
+  LicenseValidator(Entrypoint entrypoint)
+      : super(entrypoint);
+
   Future validate() {
     return new Future.sync(() {
       var licenseLike =
@@ -14,6 +25,7 @@ class LicenseValidator extends Validator {
           recursive: false).map(path.basename).any(licenseLike.hasMatch)) {
         return;
       }
+
       errors.add(
           "You must have a COPYING or LICENSE file in the root directory.\n"
               "An open-source license helps ensure people can legally use your " "code.");