Run dartfmt on pkg/front_end/lib.

pkg/front_end/lib/src/fasta/parser/error_kind.dart

Index: pkg/front_end/lib/src/fasta/parser/error_kind.dart
diff --git a/pkg/front_end/lib/src/fasta/parser/error_kind.dart b/pkg/front_end/lib/src/fasta/parser/error_kind.dart
index efca4dddabd518fe8a48e24010e8ec4f72ff5a71..1dc8ef4cc572a6432a4eab1350b1b41857902faf 100644
--- a/pkg/front_end/lib/src/fasta/parser/error_kind.dart
+++ b/pkg/front_end/lib/src/fasta/parser/error_kind.dart
@@ -19,7 +19,6 @@ enum ErrorKind {
   /// Dart Language Specification) Dart VM native clauses. See
   /// [dart_vm_native.dart].
   ExpectedClassBodyToSkip,
-
   ExpectedDeclaration,
   ExpectedExpression,
   ExpectedFunctionBody,
@@ -47,6 +46,5 @@ enum ErrorKind {
   UnterminatedComment,
   UnterminatedString,
   UnterminatedToken,
-
   Unspecified,
 }