Fix various nits in VM patch files.

runtime/bin/socket_patch.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.
 
 @patch class RawServerSocket {
   @patch static Future<RawServerSocket> bind(address,
                                                   int port,
                                                   {int backlog: 0,
                                                    bool v6Only: false,
                                                    bool shared: false}) {
@@ skipping 126 matching lines @@
         return _in_addr[0] >= 224 && _in_addr[0] < 240;
 
       case InternetAddressType.IP_V6:
         // Checking for ff00::/8.
         return _in_addr[0] == 0xFF;
     }
   }
 
   Future<InternetAddress> reverse() => _NativeSocket.reverseLookup(this);
 
-  _InternetAddress(String this.address,
-                   String this._host,
-                   List<int> this._in_addr);
+  _InternetAddress(this.address, this._host, this._in_addr);
 
   factory _InternetAddress.parse(String address) {
     if (address is !String) {
       throw new ArgumentError("Invalid internet address $address");
     }
     var in_addr = _parse(address);
     if (in_addr == null) {
       throw new ArgumentError("Invalid internet address $address");
     }
     return new _InternetAddress(address, null, in_addr);
@@ skipping 1360 matching lines @@
 class _Socket extends Stream<List<int>> implements Socket {
   RawSocket _raw;  // Set to null when the raw socket is closed.
   bool _closed = false;  // Set to true when the raw socket is closed.
   StreamController _controller;
   bool _controllerClosed = false;
   _SocketStreamConsumer _consumer;
   IOSink _sink;
   var _subscription;
   var _detachReady;
 
-  _Socket(RawSocket this._raw) {
+  _Socket(this._raw) {
     _controller = new StreamController<List<int>>(sync: true,
         onListen: _onSubscriptionStateChange,
         onCancel: _onSubscriptionStateChange,
         onPause: _onPauseStateChange,
         onResume: _onPauseStateChange);
     _consumer = new _SocketStreamConsumer(this);
     _sink = new IOSink(_consumer);
 
     // Disable read events until there is a subscription.
     _raw.readEventsEnabled = false;
@@ skipping 338 matching lines @@
 Datagram _makeDatagram(List<int> data,
                        String address,
                        List<int> in_addr,
                        int port) {
   return new Datagram(
       data,
       new _InternetAddress(address, null, in_addr),
       port);
 }