pkg/shelf: formatted code

lib/src/response.dart

 // Copyright (c) 2014, 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.
 
 library shelf.response;
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:http_parser/http_parser.dart';
@@ skipping 258 matching lines @@
   }
 
   var contentType = new MediaType.parse(headers['content-type'])
       .change(parameters: {'charset': encoding.name});
   return _addHeader(headers, 'content-type', contentType.toString());
 }
 
 /// Adds a header with [name] and [value] to [headers], which may be null.
 ///
 /// Returns a new map without modifying [headers].
-Map<String, String> _addHeader(Map<String, String> headers, String name,
-    String value) {
+Map<String, String> _addHeader(
+    Map<String, String> headers, String name, String value) {
   headers = headers == null ? {} : new Map.from(headers);
   headers[name] = value;
   return headers;
 }
 
 /// Adds content-type information to [headers].
 ///
 /// Returns a new map without modifying [headers]. This is used to add
 /// content-type information when creating a 500 response with a default body.
 Map<String, String> _adjustErrorHeaders(Map<String, String> headers) {
   if (headers == null || headers['content-type'] == null) {
     return _addHeader(headers, 'content-type', 'text/plain');
   }
 
   var contentType = new MediaType.parse(headers['content-type'])
       .change(mimeType: 'text/plain');
   return _addHeader(headers, 'content-type', contentType.toString());
 }
 
 /// Converts [location], which may be a [String] or a [Uri], to a [String].
 ///
 /// Throws an [ArgumentError] if [location] isn't a [String] or a [Uri].
 String _locationToString(location) {
   if (location is String) return location;
   if (location is Uri) return location.toString();
 
   throw new ArgumentError('Response location must be a String or Uri, was '
       '"$location".');
 }