Generate Mojom Types in Dart (Take 2)

mojo/dart/packages/_mojo_for_test_only/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/dart/rules.gni")
 import("//mojo/services/mojo_services.gni")
 
 # TODO(johnmccutchan): Automate this.
 # for i in `find lib/|grep mojom.dart`;do echo \"$i\",;done
 bindings_sources = [
   "lib/mojo/examples/echo.mojom.dart",
   "lib/mojo/test/serialization_test_structs.mojom.dart",
   "lib/mojo/test/validation_test_interfaces.mojom.dart",
   "lib/mojo/test/test_unions.mojom.dart",
+  "lib/mojo/test/test_included_unions.mojom.dart",
   "lib/mojo/test/rect.mojom.dart",
   "lib/mojo/test/test_structs.mojom.dart",
   "lib/mojo/test/versioning/versioning_test_client.mojom.dart",
   "lib/mojo/test/test_included_unions.mojom.dart",
   "lib/dart_to_cpp/dart_to_cpp.mojom.dart",
   "lib/test/pingpong_service.mojom.dart",
   "lib/test/echo_service.mojom.dart",
   "lib/sample/sample_service.mojom.dart",
   "lib/sample/sample_interfaces.mojom.dart",
   "lib/sample/sample_factory.mojom.dart",
@@ skipping 14 matching lines @@
               "lib/async_helper.dart",
               "lib/expect.dart",
               "lib/validation_test_input_parser.dart",
             ] + bindings_sources
 
   deps = [
     "//mojo/public/dart",
     "//mojo/services",
   ]
 }