samples/pop_pop_win: now based on StageXL

samples/pop_pop_win/lib/platform_target.dart

Index: samples/pop_pop_win/lib/platform_target.dart
diff --git a/samples/pop_pop_win/lib/platform_target.dart b/samples/pop_pop_win/lib/platform_target.dart
index 543f4d1b4dde69e80dbfd6e06458f6e7c71a75eb..e03b5c324e706c59a607f042bb6682ff6a536a1c 100644
--- a/samples/pop_pop_win/lib/platform_target.dart
+++ b/samples/pop_pop_win/lib/platform_target.dart
@@ -22,7 +22,7 @@ abstract class PlatformTarget {
 
   Future<String> getValue(String key);
 
-  bool get renderBig;
+  int get size;
 
   bool get showAbout;
 
@@ -36,7 +36,7 @@ class _DefaultPlatform extends PlatformTarget {
   final StreamController _aboutController = new StreamController(sync: true);
   bool _about = false;
 
-  _DefaultPlatform(): super.base();
+  _DefaultPlatform() : super.base();
 
   @override
   Future clearValues() => new Future(_values.clear);
@@ -48,7 +48,7 @@ class _DefaultPlatform extends PlatformTarget {
   @override
   Future<String> getValue(String key) => new Future(() => _values[key]);
 
-  bool get renderBig => false;
+  int get size => 7;
 
   void toggleAbout([bool value]) {
     assert(_about != null);