Run dartfmt on dart_messages

pkg/dart_messages/bin/publish.dart

 // Copyright (c) 2015, 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 'dart:convert';
 import 'dart:io' as io;
 
 import '../lib/shared_messages.dart';
 
 const String jsonPath = '../lib/generated/shared_messages.json';
@@ skipping 103 matching lines @@
       out.writeln(",\n    examples: const [");
 
       String escapeExampleContent(String content) {
         if (content.contains("\n") || content.contains('"')) {
           return 'r"""\n$content"""';
         } else if (content.contains("\\")) {
           return 'r"$content"';
         }
         return '"$content"';
       }
+
       for (var example in message.examples) {
         if (example is String) {
           out.write("      ");
           out.write(escapeExampleContent(example));
         } else if (example is Map) {
           out.writeln("      const {");
           example.forEach((String fileName, String content) {
             out.writeln("      '$fileName': ");
             out.write(escapeExampleContent(content));
             out.writeln(",");
@@ skipping 107 matching lines @@
 /// Translates the shared messages in `../lib/shared_messages.dart` to JSON,
 /// dart2js, and analyzer formats.
 ///
 /// Emits the json-output to [jsonPath], the dart2js-output to [dart2jsPath],
 /// and the analyzer-output to [analyzerPath].
 void main() {
   emitJson();
   emitDart2js();
   emitAnalyzer();
 }