Roll to pickup pool changes

packages/barback/test/transformer/lazy_aggregate_many_to_many.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.lazy_aggregate_many_to_many;
 
 import 'package:barback/barback.dart';
 
 import 'declaring_aggregate_many_to_many.dart';
 
 /// An [AggregateTransformer] that takes all assets in each directory with a
 /// given extension and adds to their contents.
 class LazyAggregateManyToManyTransformer
     extends DeclaringAggregateManyToManyTransformer
     implements LazyAggregateTransformer {
-  LazyAggregateManyToManyTransformer(String extension)
-      : super(extension);
+  LazyAggregateManyToManyTransformer(String extension) : super(extension);
 }