Run dartfmt on pkg/front_end/lib.

pkg/front_end/lib/src/fasta/source/diet_parser.dart

Index: pkg/front_end/lib/src/fasta/source/diet_parser.dart
diff --git a/pkg/front_end/lib/src/fasta/source/diet_parser.dart b/pkg/front_end/lib/src/fasta/source/diet_parser.dart
index 82b3d14208c11baba3e862e4b1f290424d310c4a..6fc1c10b3d386f16b698ce759cbce298b367ff9f 100644
--- a/pkg/front_end/lib/src/fasta/source/diet_parser.dart
+++ b/pkg/front_end/lib/src/fasta/source/diet_parser.dart
@@ -4,21 +4,17 @@
 
 library fasta.diet_parser;
 
-import 'package:front_end/src/fasta/scanner/token.dart' show
-    BeginGroupToken,
-    Token;
+import 'package:front_end/src/fasta/scanner/token.dart'
+    show BeginGroupToken, Token;
 
-import 'package:front_end/src/fasta/parser/class_member_parser.dart' show
-    ClassMemberParser;
+import 'package:front_end/src/fasta/parser/class_member_parser.dart'
+    show ClassMemberParser;
 
-import 'package:front_end/src/fasta/parser/error_kind.dart' show
-    ErrorKind;
+import 'package:front_end/src/fasta/parser/error_kind.dart' show ErrorKind;
 
-import 'package:front_end/src/fasta/parser/listener.dart' show
-    Listener;
+import 'package:front_end/src/fasta/parser/listener.dart' show Listener;
 
-import 'package:front_end/src/fasta/parser/parser.dart' show
-    optional;
+import 'package:front_end/src/fasta/parser/parser.dart' show optional;
 
 // TODO(ahe): Move this to parser package.
 class DietParser extends ClassMemberParser {