Protocol Buffer runtime library and 'protoc' plugin

lib/protobuf/runtime/ListIntProvider.dart

Index: lib/protobuf/runtime/ListIntProvider.dart
diff --git a/lib/protobuf/runtime/ListIntProvider.dart b/lib/protobuf/runtime/ListIntProvider.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c31d6fd40e7a2c3b9637ed576c4d7f5ab978f778
--- /dev/null
+++ b/lib/protobuf/runtime/ListIntProvider.dart
@@ -0,0 +1,9 @@
+// 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.
+
+/**
+ * Provides a List<int> based version of integer arrays.
+ */
+List<int> createIntArray(int length) => new List<int>(length);
+List<int> createIntArrayFrom(List<int> source) => new List<int>.from(source);