Sort enum declarations.

pkg/analysis_server/lib/src/services/correction/sort_members.dart

Index: pkg/analysis_server/lib/src/services/correction/sort_members.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/sort_members.dart b/pkg/analysis_server/lib/src/services/correction/sort_members.dart
index c66c52183d588212a099d8351dacd63306b47510..62a19aeb54e2aa726f82d74e9738b67c80034256 100644
--- a/pkg/analysis_server/lib/src/services/correction/sort_members.dart
+++ b/pkg/analysis_server/lib/src/services/correction/sort_members.dart
@@ -270,6 +270,10 @@ class MemberSorter {
         kind = _MemberKind.UNIT_CLASS;
         name = member.name.name;
       }
+      if (member is EnumDeclaration) {
+        kind = _MemberKind.UNIT_CLASS;
+        name = member.name.name;
+      }
       if (member is FunctionDeclaration) {
         FunctionDeclaration function = member;
         name = function.name.name;