Support for alignItems (test incoming)

sky/sdk/lib/framework/components2/tool_bar.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import '../fn2.dart';
 import '../rendering/flex.dart';
 import '../theme2/view_configuration.dart';
 import '../theme2/shadows.dart';
 
 class ToolBar extends Component {
@@ skipping 17 matching lines @@
       new FlexExpandingChild(
         new Padding(
           child: center,
           padding: new EdgeDims.only(left: 24.0)
         ))
     ];
 
     if (right != null)
       children.addAll(right);
 
-    // TODO(hansmuller): use align-items:flex-end when Flex supports it.
-    UINode bottomJustifiedChild = new Flex([
-        new Container(child: new Flex(children), height: kToolBarHeight)
-      ],
-      direction: FlexDirection.vertical,
-      justifyContent: FlexJustifyContent.flexEnd);
-
     return new Container(
-      child: bottomJustifiedChild,
+      child: new Flex(
+        [new Container(child: new Flex(children), height: kToolBarHeight)],
+        alignItems: FlexAlignItems.flexEnd
+      ),
       padding: new EdgeDims.symmetric(horizontal: 8.0),
       decoration: new BoxDecoration(
         backgroundColor: backgroundColor,
         boxShadow: Shadow[2]
       )
     );
   }
 
 }