Make pub build use barback.

sdk/lib/_internal/pub/test/build/includes_assets_from_dependencies_test.dart

Index: sdk/lib/_internal/pub/test/build/includes_assets_from_dependencies_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/includes_assets_from_dependencies_test.dart b/sdk/lib/_internal/pub/test/build/includes_assets_from_dependencies_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..1455808d965975d28c96c4d59c22360b4af67a77
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/build/includes_assets_from_dependencies_test.dart
@@ -0,0 +1,55 @@
+// Copyright (c) 2013, 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.
+
+import 'package:scheduled_test/scheduled_test.dart';
+
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  initConfig();
+
+  integration("includes assets from dependencies", () {
+    // Dart2js can take a long time to compile dart code, so we increase the
+    // timeout to cope with that.
+    currentSchedule.timeout *= 3;
+
+    d.dir("foo", [
+      d.libPubspec("foo", "0.0.1"),
+      d.dir("asset", [
+        d.file("foo.txt", "foo"),
+        d.dir("sub", [
+          d.file("bar.txt", "bar"),
+        ])
+      ])
+    ]).create();
+
+    d.dir(appPath, [
+      d.appPubspec({
+        "foo": {"path": "../foo"}
+      }),
+      d.dir("web", [
+        d.file("index.html", "html"),
+      ])
+    ]).create();
+
+    schedulePub(args: ["build"],
+        output: new RegExp(r"Built 3 files!"),
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir('build', [
+        d.file("index.html", "html"),
+        d.dir('assets', [
+          d.dir('foo', [
+            d.file('foo.txt', 'foo'),
+            d.dir('sub', [
+              d.file('bar.txt', 'bar'),
+            ]),
+          ])
+        ])
+      ])
+    ]).validate();
+  });
+}