Move MimeMultipartTransformer and HttpBodyHandler to mime and http_server packages.

pkg/http_server/test/http_multipart_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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.
-//
-// VMOptions=
-// VMOptions=--short_socket_read
-// VMOptions=--short_socket_write
-// VMOptions=--short_socket_read --short_socket_write
 
-import "package:expect/expect.dart";
+import "package:http_server/http_server.dart";
+import "package:mime/mime.dart";
+import "package:unittest/unittest.dart";
 import 'dart:async';
 import 'dart:io';
 
 class FormField {
   final String name;
   final value;
   final String contentType;
   final String filename;
 
   FormField(String this.name,
@@ skipping 48 matching lines @@
                       multipart.contentDisposition.parameters['name'],
                       data,
                       contentType: contentType,
                       filename:
                           multipart.contentDisposition.parameters['filename']);
                 });
           })
           .fold([], (l, f) => l..add(f))
           .then(Future.wait)
           .then((fields) {
-            Expect.listEquals(expectedFields, fields);
+            expect(fields, equals(expectedFields));
             request.response.close().then((_) => server.close());
           });
     });
     var client = new HttpClient();
     client.post('127.0.0.1', server.port, '/')
         .then((request) {
           request.headers.set('content-type',
                               'multipart/form-data; boundary=$boundary');
           request.add(message);
           return request.close();
@@ skipping 101 matching lines @@
   postDataTest(message,
                'multipart/form-data',
                '----WebKitFormBoundaryfe0EzV1aNysD1bPh',
                [new FormField('name', 'øv')]);
 }
 
 
 void main() {
   testPostData();
 }