Make isUtc a getter, change some method names in Date.

samples/chat/dart_client/chat.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.
 
 #library("chat.dart");
 #import("dart:html");
 #import("dart:json");
 
 void main() {
   new Chat().start();
@@ skipping 217 matching lines @@
     p.text = text.toString();
     _messages.insertAdjacentElement('afterBegin', p);
     if (_messages.elements.length > 20) {
       _messages.elements.removeLast();
     }
   }
 
   String formatMessageTime(String received) {
     Date date = new Date.fromString(received);
     StringBuffer formattedTime = new StringBuffer();
-    if (date.hours < 10) formattedTime.add("0");
-    formattedTime.add(date.hours);
+    if (date.hour < 10) formattedTime.add("0");
+    formattedTime.add(date.hour);
     formattedTime.add(":");
-    if (date.minutes < 10) formattedTime.add("0");
-    formattedTime.add(date.minutes);
+    if (date.minute < 10) formattedTime.add("0");
+    formattedTime.add(date.minute);
     formattedTime.add(":");
-    if (date.seconds < 10) formattedTime.add("0");
-    formattedTime.add(date.seconds);
+    if (date.second < 10) formattedTime.add("0");
+    formattedTime.add(date.second);
     return formattedTime.toString();
   }
 
   String formatUpTime(int upTime) {
     var upTime = (upTime ~/ 1000);
     int hours = (upTime ~/ (60 * 60));
     upTime = upTime % (60 * 60);
     int minutes = (upTime ~/ 60);
     upTime = upTime % 60;
     int seconds = upTime;
@@ skipping 50 matching lines @@
   Element _chatSection;
   InputElement _messageInput;
   Element _messages;
   Element _statusText;
 
   String _session = null;
   int _nextMessage = 0;
   XMLHttpRequest _pollRequest = null;
 
 }