Support for anonymous state routes

sky/sdk/example/fitness/lib/home.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 'package:sky/painting/text_style.dart';
 import 'package:sky/widgets/basic.dart';
 import 'package:sky/widgets/drawer.dart';
 import 'package:sky/widgets/drawer_divider.dart';
 import 'package:sky/widgets/drawer_header.dart';
 import 'package:sky/widgets/drawer_item.dart';
@@ skipping 76 matching lines @@
   DrawerStatus _drawerStatus = DrawerStatus.inactive;
 
   void _handleOpenDrawer() {
     setState(() {
       _drawerShowing = true;
       _drawerStatus = DrawerStatus.active;
     });
   }
 
   void _handleDrawerStatusChange(DrawerStatus status) {
-    if (status == DrawerStatus.inactive && navigator.currentRoute.name == "/drawer") {
-      navigator.pop();
-    }
     setState(() {
       _drawerStatus = status;
     });
   }
 
   void _handleShowSettings() {
     navigator.pop();
     navigator.pushNamed('/settings');
   }
 
@@ skipping 89 matching lines @@
   Widget build() {
     return new Scaffold(
       toolbar: buildToolBar(),
       body: buildBody(),
       snackBar: buildSnackBar(),
       floatingActionButton: buildFloatingActionButton(),
       drawer: buildDrawer()
     );
   }
 }