Roll to pickup pool changes

packages/barback/test/transformer/check_content_and_rename.dart

Index: packages/barback/test/transformer/check_content_and_rename.dart
diff --git a/packages/barback/test/transformer/check_content_and_rename.dart b/packages/barback/test/transformer/check_content_and_rename.dart
index dffad3798e39f296680c754bfd79ecbc9decb8a4..6ffc63594f2bc5ca28663f4628faa40af0a65393 100644
--- a/packages/barback/test/transformer/check_content_and_rename.dart
+++ b/packages/barback/test/transformer/check_content_and_rename.dart
@@ -18,8 +18,11 @@ class CheckContentAndRenameTransformer extends MockTransformer {
   final String newExtension;
   final String newContent;
 
-  CheckContentAndRenameTransformer({this.oldExtension, this.oldContent,
-      this.newExtension, this.newContent}) {
+  CheckContentAndRenameTransformer(
+      {this.oldExtension,
+      this.oldContent,
+      this.newExtension,
+      this.newContent}) {
     assert(oldExtension != null);
     assert(oldContent != null);
     assert(newExtension != null);