Addressed drive by comments

runtime/bin/http_impl.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.
 
 class _HttpHeaders implements HttpHeaders {
   _HttpHeaders() : _headers = new Map<String, List<String>>();
 
   List<String> operator[](String name) {
     name = name.toLowerCase();
     return _headers[name];
@@ skipping 1958 matching lines @@
   String _host;
   int _port;
   Socket _socket;
   Date _returnTime;
 }
 
 class _ProxyConfiguration {
   static const String PROXY_PREFIX = "PROXY ";
   static const String DIRECT_PREFIX = "DIRECT";
 
-      _ProxyConfiguration(String configuration) : proxies = new List<_Proxy>() {
+  _ProxyConfiguration(String configuration) : proxies = new List<_Proxy>() {
     if (configuration == null) {
       throw new HttpException("Invalid proxy configuration $configuration");
     }
     List<String> list = configuration.split(";");
     list.forEach((String proxy) {
       proxy = proxy.trim();
       if (!proxy.isEmpty()) {
         if (proxy.startsWith(PROXY_PREFIX)) {
           int colon = proxy.indexOf(":");
           if (colon == -1 || colon == 0 || colon == proxy.length - 1) {
@@ skipping 13 matching lines @@
           }
           proxies.add(new _Proxy(host, port));
         } else if (proxy.trim() == DIRECT_PREFIX) {
           proxies.add(new _Proxy.direct());
         } else {
           throw new HttpException("Invalid proxy configuration $configuration");
         }
       }
     });
   }
+
   const _ProxyConfiguration.direct()
       : proxies = const [const _Proxy.direct()];
 
   final List<_Proxy> proxies;
 }
 
 class _Proxy {
   const _Proxy(this.host, this.port) : isDirect = false;
   const _Proxy.direct() : host = null, port = null, isDirect = true;
 
@@ skipping 249 matching lines @@
 
 
 class _RedirectInfo implements RedirectInfo {
   const _RedirectInfo(int this.statusCode,
                       String this.method,
                       Uri this.location);
   final int statusCode;
   final String method;
   final Uri location;
 }