Let's hide double.INFINITY a bit more, by providing cleaner APIs for the cases where we're currentl…

sky/examples/widgets/styled_text.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/rendering/box.dart';
 import 'package:sky/rendering/flex.dart';
 import 'package:sky/rendering/sky_binding.dart';
 import 'package:sky/theme/colors.dart';
 import 'package:sky/theme/theme_data.dart';
@@ skipping 45 matching lines @@
     return new StyledText(
       key: text,
       elements: [lineStyle, [boldStyle, [underlineStyle, name], ":"], text]
     );
   }
 
   Component toPlainText(String name, String text) => new Text(name + ":" + text);
 
   Component createSeparator() {
     return new Container(
-      constraints: const BoxConstraints(minWidth: double.INFINITY, maxHeight: 0.0),
+      constraints: const BoxConstraints.expandWidth(maxHeight: 0.0),
       margin: const EdgeDims.symmetric(vertical: 10.0, horizontal: 64.0),
       decoration: const BoxDecoration(
         border: const Border(
           bottom: const BorderSide(color: const Color.fromARGB(24, 0, 0, 0))
         )
       )
     );
   }
 
   void toggleToTextFunction(_) {
@@ skipping 41 matching lines @@
   }
 }
 
 void main() {
   runApp(new StyledTextApp());
   SkyBinding.instance.onFrame = () {
     // uncomment this for debugging:
     // SkyBinding.instance.debugDumpRenderTree();
   };
 }