Start pulling pub from its own repo.

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

Index: sdk/lib/_internal/pub/lib/src/validator/license.dart
diff --git a/sdk/lib/_internal/pub/lib/src/validator/license.dart b/sdk/lib/_internal/pub/lib/src/validator/license.dart
deleted file mode 100644
index 067765bb8d26de65eafc2f5ad4ddbaa4178d513b..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/lib/src/validator/license.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-// 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 '../validator.dart';
-
-/// A validator that checks that a LICENSE-like file exists.
-class LicenseValidator extends Validator {
-  LicenseValidator(Entrypoint entrypoint)
-    : super(entrypoint);
-
-  Future validate() {
-    return new Future.sync(() {
-      var licenseLike = new RegExp(
-          r"^([a-zA-Z0-9]+[-_])?(LICENSE|COPYING)(\..*)?$");
-      if (entrypoint.root.listFiles(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.");
-    });
-  }
-}