Addressed drive by comments

tests/standalone/io/http_proxy_test.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.
 
 #import("dart:io");
 #import("dart:uri");
 
 class Server {
   HttpServer server;
   int proxyHops;
   int requestCount = 0;
 
   Server(this.proxyHops) : server = new HttpServer();
 
   void start() {
-    server.listen("127.0.0.1", 0, 5);
+    server.listen("127.0.0.1", 0);
     server.defaultRequestHandler =
         (HttpRequest request, HttpResponse response) {
           requestCount++;
           if (proxyHops > 0) {
             Expect.isNotNull(request.headers[HttpHeaders.VIA]);
             Expect.equals(1, request.headers[HttpHeaders.VIA].length);
             Expect.equals(
                 proxyHops,
                 request.headers[HttpHeaders.VIA][0].split(",").length);
-        } else {
-          Expect.isNull(request.headers[HttpHeaders.VIA]);
-        }
-        StringInputStream stream = new StringInputStream(request.inputStream);
-        StringBuffer body = new StringBuffer();
-        stream.onData = () => body.add(stream.read());
-        stream.onClosed = () {
-          String path = request.path.substring(1);
-          String content = "$path$path$path";
-          Expect.equals(content, body.toString());
-          response.outputStream.writeString(request.path);
-          response.outputStream.close();
-       };
-     };
+          } else {
+            Expect.isNull(request.headers[HttpHeaders.VIA]);
+          }
+          StringInputStream stream = new StringInputStream(request.inputStream);
+          StringBuffer body = new StringBuffer();
+          stream.onData = () => body.add(stream.read());
+          stream.onClosed = () {
+            String path = request.path.substring(1);
+            String content = "$path$path$path";
+            Expect.equals(content, body.toString());
+            response.outputStream.writeString(request.path);
+            response.outputStream.close();
+          };
+        };
   }
 
   void shutdown() {
     server.close();
   }
 
   int get port => server.port;
 }
 
 Server setupServer(int proxyHops) {
   Server server = new Server(proxyHops);
   server.start();
   return server;
 }
 
 class ProxyServer {
   HttpServer server;
   HttpClient client;
   int requestCount = 0;
 
   ProxyServer() : server = new HttpServer(), client = new HttpClient();
 
   void start() {
-    server.listen("127.0.0.1", 0, 5);
+    server.listen("127.0.0.1", 0);
     server.defaultRequestHandler =
         (HttpRequest request, HttpResponse response) {
           requestCount++;
           // Open the connection from the proxy.
           HttpClientConnection conn =
               client.openUrl(request.method, new Uri.fromString(request.path));
           conn.onRequest = (HttpClientRequest clientRequest) {
             // Forward all headers.
             request.headers.forEach((String name, List<String> values) {
               values.forEach((String value) {
@@ skipping 216 matching lines @@
 
 main() {
   testInvalidProxy();
   testDirectProxy();
   testProxy();
   testProxyChain();
   // This test is not normally run. It can be used for locally testing
   // with a real proxy server (e.g. Apache).
   // testRealProxy();
 }