Fix various nits in VM patch files.

sdk/lib/io/http.dart

 // 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.
 
 part of dart.io;
 
 /**
  * HTTP status codes.
  */
 abstract class HttpStatus {
@@ skipping 1989 matching lines @@
 abstract class DetachedSocket {
   Socket get socket;
   List<int> get unparsedData;
 }
 
 
 class HttpException implements IOException {
   final String message;
   final Uri uri;
 
-  const HttpException(String this.message, {Uri this.uri});
+  const HttpException(this.message, {this.uri});
 
   String toString() {
     var b = new StringBuffer()
         ..write('HttpException: ')
         ..write(message);
     if (uri != null) {
       b.write(', uri = $uri');
     }
     return b.toString();
   }
 }
 
 
 class RedirectException implements HttpException {
   final String message;
   final List<RedirectInfo> redirects;
 
   const RedirectException(this.message, this.redirects);
 
   String toString() => "RedirectException: $message";
 
   Uri get uri => redirects.last.location;
 }