Run the sorter to reduce code churn

pkg/analyzer/tool/summary/mini_ast.dart

 // Copyright (c) 2017, 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.
 
 import 'package:front_end/src/fasta/errors.dart' show internalError;
 import 'package:front_end/src/fasta/fasta_codes.dart' show FastaMessage;
 import 'package:front_end/src/fasta/parser/identifier_context.dart';
 import 'package:front_end/src/fasta/parser/parser.dart';
 import 'package:front_end/src/fasta/source/stack_listener.dart';
 import 'package:front_end/src/scanner/token.dart';
@@ skipping 138 matching lines @@
 /// code.  This representation is just sufficient for summary code generation.
 class MiniAstBuilder extends StackListener {
   bool inMetadata = false;
 
   final compilationUnit = new CompilationUnit();
 
   @override
   Uri get uri => null;
 
   @override
+  void addCompileTimeErrorFromMessage(FastaMessage message) {
+    internalError(message.message);
+  }
+
+  @override
   void beginMetadata(Token token) {
     inMetadata = true;
   }
 
   @override
   void beginMetadataStar(Token token) {
     debugEvent("beginMetadataStar");
     if (token.precedingComments != null) {
       push(new Comment(token.precedingComments));
     } else {
@@ skipping 257 matching lines @@
     push('$prefix.$suffix');
   }
 
   @override
   void handleType(Token beginToken, Token endToken) {
     debugEvent("Type");
     List<TypeName> typeArguments = pop();
     String name = pop();
     push(new TypeName(name, typeArguments));
   }
-
-  @override
-  void addCompileTimeErrorFromMessage(FastaMessage message) {
-    internalError(message.message);
-  }
 }
 
 /// Parser intended for use with [MiniAstBuilder].
 class MiniAstParser extends Parser {
   MiniAstParser(MiniAstBuilder listener) : super(listener);
 
   Token parseArgumentsOpt(Token token) {
     MiniAstBuilder listener = this.listener;
     if (listener.inMetadata) {
       return super.parseArgumentsOpt(token);
@@ skipping 19 matching lines @@
   final String name;
 
   final List<TypeName> typeArguments;
 
   TypeName(this.name, this.typeArguments);
 }
 
 /// "Mini AST" representation of an expression which summary code generation
 /// need not be concerned about.
 class UnknownExpression extends Expression {}