Roll to pickup pool changes

packages/barback/test/transformer/aggregate_many_to_one.dart

 // Copyright (c) 2014, 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.aggregate_many_to_one;
 
 import 'dart:async';
 
 import 'package:barback/barback.dart';
 import 'package:path/path.dart' as path;
@@ skipping 17 matching lines @@
   AggregateManyToOneTransformer(this.extension, this.output);
 
   String doClassifyPrimary(AssetId id) {
     if (id.extension != ".$extension") return null;
     return path.url.dirname(id.path);
   }
 
   Future doApply(AggregateTransform transform) async {
     var assets = await getPrimaryInputs(transform).toList();
     assets.sort((asset1, asset2) => asset1.id.path.compareTo(asset2.id.path));
-    var contents = await Future.wait(
-        assets.map((asset) => asset.readAsString()));
-    var id = new AssetId(transform.package,
-        path.url.join(transform.key, output));
+    var contents =
+        await Future.wait(assets.map((asset) => asset.readAsString()));
+    var id =
+        new AssetId(transform.package, path.url.join(transform.key, output));
     transform.addOutput(new Asset.fromString(id, contents.join('\n')));
   }
 
   String toString() => "aggregate $extension->$output";
 }