Made my CommandButton factory method the constructor.

I had initially been hesitant to do this because of the parameter that
can be one of two things, and the Java side of me wanted to hold
on to compile-time checking, but the convenience is too damn convenient.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@408 ed5b42cb-e716-0410-a449-f6a68f950b19

src/as/com/threerings/flex/ChatControl.as

@@ -59,9 +59,7 @@ public class ChatControl extends HBox
         addChild(_txt = new ChatInput());
         _txt.addEventListener(FlexEvent.ENTER, sendChat, false, 0, true);
 
-        _but = new CommandButton();
-        _but.label = sendButtonLabel;
-        _but.setCallback(sendChat);
+        _but = new CommandButton(sendButtonLabel, sendChat);
         addChild(_but);
 
         if (!isNaN(height)) {