Rename all the things

sky/sdk/lib/framework/widgets/material.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 '../painting/box_painter.dart';
-import '../theme2/colors.dart';
-import '../theme2/edges.dart';
-import '../theme2/shadows.dart';
-import 'basic.dart';
-
-class Material extends Component {
-
-  Material({
-    Object key,
-    this.child,
-    this.edge: MaterialEdge.card,
-    this.level: 0,
-    this.color
-  }) : super(key: key);
-
-  final UINode child;
-  final int level;
-  final MaterialEdge edge;
-  final Color color;
-
-  // TODO(ianh): we should make this animate level changes and color changes
-
-  UINode build() {
-    return new Container(
-      decoration: new BoxDecoration(
-        boxShadow: shadows[level],
-        borderRadius: edges[edge],
-        backgroundColor: color == null ? Grey[50] : color,
-        shape: edge == MaterialEdge.circle ? Shape.circle : Shape.rectangle
-      ),
-      child: child
-    );
-  }
-
-}