Rename Container's desiredSize argument to width and height arguments.

sky/sdk/lib/framework/components2/menu_item.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 'button_base.dart';
 import 'icon.dart';
 import 'ink_well.dart';
 
 class MenuItem extends ButtonBase {
@@ skipping 22 matching lines @@
                 child: new FlexContainer(
                   direction: FlexDirection.horizontal,
                   children: children
                 ),
                 padding: const EdgeDims.symmetric(horizontal: 16.0)
               ),
               1
             )
           ]
         ),
-        desiredSize: const Size.fromHeight(48.0),
+        height: 48.0,
         decoration: highlight ? highlightDecoration : null
       ),
       onGestureTap: onGestureTap
     );
   }
 }