Rename all the things

sky/sdk/lib/framework/widgets/floating_action_button.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 '../theme2/colors.dart';
-import '../theme2/edges.dart';
-import 'button_base.dart';
-import 'ink_well.dart';
-import 'material.dart';
-import 'basic.dart';
-
-// TODO(eseidel): This needs to change based on device size?
-// http://www.google.com/design/spec/layout/metrics-keylines.html#metrics-keylines-keylines-spacing
-const double _kSize = 56.0;
-
-class FloatingActionButton extends ButtonBase {
-
-  FloatingActionButton({ Object key, this.child })
-      : super(key: key);
-
-  final UINode child;
-
-  UINode buildContent() {
-    return new Material(
-      child: new ClipOval(
-        child: new Container(
-          width: _kSize,
-          height: _kSize,
-          child: new InkWell(child: new Center(child: child))
-        )
-      ),
-      color: Red[500],
-      edge: MaterialEdge.circle,
-      level: highlight ? 3 : 2
-    );
-  }
-
-}