run dartfmt on dart2js

pkg/compiler/lib/src/library_loader.dart

 // Copyright (c) 2012, 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 dart2js.library_loader;
 
 import 'dart:async';
 
 import 'common/names.dart' show Uris;
 import 'common/tasks.dart' show CompilerTask, GenericTask;
@@ skipping 347 matching lines @@
         try {
           return reuseLibrary(library)
               .then((bool reuse) => reuse ? library : null);
         } catch (exception, trace) {
           reporter.onCrashInUserCode(
               'Uncaught exception in reuseLibrary', exception, trace);
           rethrow;
         }
       }
 
-      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)
           .then((Iterable<LibraryElement> reusedLibraries) {
         resetImplementation(reusedLibraries.where((e) => e != null));
       });
     });
   }
 
   Future<Null> resetLibraries(
@@ skipping 1123 matching lines @@
   Future onLibrariesLoaded(LoadedLibraries results);
 
   /// Called whenever a library element is created.
   void onLibraryCreated(LibraryElement library);
 
   /// Called whenever a library is scanned from a script file.
   Future onLibraryScanned(LibraryElement library, LibraryLoader loader);
 }
 
 const _reuseLibrarySubtaskName = "Reuse library";