Material and RaisedButton.

sky/sdk/lib/framework/widgets/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 '../rendering/flex.dart';
 import '../theme2/shadows.dart';
 import '../theme2/view_configuration.dart';
 import 'wrappers.dart';
 
 class ToolBar extends Component {
@@ skipping 25 matching lines @@
       children.addAll(right);
 
     return new Container(
       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]
+        boxShadow: shadows[2]
       )
     );
   }
 
 }