run dartfmt on dart2js

pkg/compiler/lib/src/library_loader.dart

Index: pkg/compiler/lib/src/library_loader.dart
diff --git a/pkg/compiler/lib/src/library_loader.dart b/pkg/compiler/lib/src/library_loader.dart
index 41a47a16a39351c1b8ce5f1627b771ba5010302d..2df480edf34e5b481538cd5cb3850320f3e05e26 100644
--- a/pkg/compiler/lib/src/library_loader.dart
+++ b/pkg/compiler/lib/src/library_loader.dart
@@ -365,9 +365,9 @@ class _LibraryLoaderTask extends CompilerTask implements LibraryLoaderTask {
         }
       }
 
-      List<Future<LibraryElement>> reusedLibrariesFuture =
-          measureSubtask(_reuseLibrarySubtaskName,
-              () => libraryCanonicalUriMap.values.map(wrapper).toList());
+      List<Future<LibraryElement>> reusedLibrariesFuture = measureSubtask(
+          _reuseLibrarySubtaskName,
+          () => libraryCanonicalUriMap.values.map(wrapper).toList());
 
       return Future
           .wait(reusedLibrariesFuture)