Roll to pickup pool changes

packages/barback/test/transformer/create_asset.dart

 // 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.
 
 library barback.test.transformer.create_asset;
 
 import 'package:barback/barback.dart';
 
 import 'mock.dart';
 
 /// A transformer that outputs an asset with the given id.
 class CreateAssetTransformer extends MockTransformer {
   final String output;
 
   CreateAssetTransformer(this.output);
 
   bool doIsPrimary(AssetId id) => true;
 
   void doApply(Transform transform) {
-    transform.addOutput(
-        new Asset.fromString(new AssetId.parse(output), output));
+    transform
+        .addOutput(new Asset.fromString(new AssetId.parse(output), output));
   }
 }