Material and RaisedButton.

sky/sdk/lib/framework/widgets/drawer.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 'dart:math' as math;
 import 'dart:sky' as sky;
 
 import 'package:vector_math/vector_math.dart';
 
 import '../animation/animated_value.dart';
@@ skipping 130 matching lines @@
 
     var mask = new EventListenerNode(
       new Container(decoration: new BoxDecoration(backgroundColor: maskColor)),
       onGestureTap: controller.handleMaskTap,
       onGestureFlingStart: controller.handleFlingStart
     );
 
     Container content = new Container(
       decoration: new BoxDecoration(
         backgroundColor: Grey[50],
-        boxShadow: Shadow[level]),
+        boxShadow: shadows[level]),
       width: _kWidth,
       transform: transform,
       child: new Block(children)
     );
 
     return new EventListenerNode(
       new Stack([ mask, content ]),
       onPointerDown: controller.handlePointerDown,
       onPointerMove: controller.handlePointerMove,
       onPointerUp: controller.handlePointerUp,
       onPointerCancel: controller.handlePointerCancel
     );
   }
 
 }