Merge IO v2 branch to bleeding edge

utils/pub/http.dart

 // Copyright (c) 2012, 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.
 
 /// Helpers for dealing with HTTP.
 library pub.http;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:json' as json;
@@ skipping 42 matching lines @@
 
       return http.Response.fromStream(streamedResponse).then((response) {
         throw new PubHttpException(response);
       });
     }).catchError((asyncError) {
       if (asyncError.error is SocketIOException &&
           asyncError.error.osError != null) {
         if (asyncError.error.osError.errorCode == 8 ||
             asyncError.error.osError.errorCode == -2 ||
             asyncError.error.osError.errorCode == -5 ||
+            asyncError.error.osError.errorCode == 11001 ||
             asyncError.error.osError.errorCode == 11004) {
           throw 'Could not resolve URL "${request.url.origin}".';
         } else if (asyncError.error.osError.errorCode == -12276) {
           throw 'Unable to validate SSL certificate for '
               '"${request.url.origin}".';
         }
       }
       throw asyncError;
     }), HTTP_TIMEOUT, 'fetching URL "${request.url}"');
   }
@@ skipping 53 matching lines @@
 
 /// Exception thrown when an HTTP operation fails.
 class PubHttpException implements Exception {
   final http.Response response;
 
   const PubHttpException(this.response);
 
   String toString() => 'HTTP error ${response.statusCode}: '
       '${response.reasonPhrase}';
 }