Roll to pickup pool changes

packages/barback/test/transformer/aggregate_many_to_one.dart

Index: packages/barback/test/transformer/aggregate_many_to_one.dart
diff --git a/packages/barback/test/transformer/aggregate_many_to_one.dart b/packages/barback/test/transformer/aggregate_many_to_one.dart
index af3bbaae202e00dfa47f985a9af17e48f777fc8c..6586f59479a98f9fe52f9f79b2b9ae2cff086126 100644
--- a/packages/barback/test/transformer/aggregate_many_to_one.dart
+++ b/packages/barback/test/transformer/aggregate_many_to_one.dart
@@ -35,10 +35,10 @@ class AggregateManyToOneTransformer extends MockAggregateTransformer {
   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')));
   }