From cc4f7d0db06045f2373d22ecbe5fc98371d125d3 Mon Sep 17 00:00:00 2001
From: Hans Muller <hansmuller@chromium.org>
Date: Thu, 19 Mar 2015 08:06:23 -0700
Subject: [PATCH] Added a positional Component.fromArgs() constructor

To define a Component subclass with mixins, a constructor without optional parameters is needed.

Added Component.fromArgs() which just delegates to the main constructor.

R=rafaelw@chromium.org

Review URL: https://codereview.chromium.org/1017353002
---
 framework/fn.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/framework/fn.dart b/framework/fn.dart
index 0024b96a1e6..af8b7560238 100644
--- a/framework/fn.dart
+++ b/framework/fn.dart
@@ -653,6 +653,9 @@ abstract class Component extends Node {
         _order = _currentOrder + 1,
         super(key:key);
 
+  Component.fromArgs(Object key, bool stateful)
+      : this(key: key, stateful: stateful);
+
   void didMount() {}
   void didUnmount() {}