Make element.style["color"] work in Sky

sky/tests/styles/media-queries.sky

Index: sky/tests/styles/media-queries.sky
diff --git a/sky/tests/styles/media-queries.sky b/sky/tests/styles/media-queries.sky
index ff4f618738d9cf04d244be8db2b6b9d9688a90cd..9938e9b1babc2d7b8e2d6124eff613d735a3da86 100644
--- a/sky/tests/styles/media-queries.sky
+++ b/sky/tests/styles/media-queries.sky
@@ -22,14 +22,12 @@ void main() {
 
   test('should allow sheets to apply when they match', () {
     var element = document.getElementById('matches');
-    expect(window.getComputedStyle(element).getPropertyValue("color"),
-           equals("rgb(255, 0, 0)"));
+    expect(window.getComputedStyle(element)["color"], equals("rgb(255, 0, 0)"));
   });
 
   test('should cause sheets to be skipped when they do not match', () {
     var element = document.getElementById('does-not-match');
-    expect(window.getComputedStyle(element).getPropertyValue("color"),
-           "rgb(0, 0, 0)");
+    expect(window.getComputedStyle(element)["color"], equals("rgb(0, 0, 0)"));
   });
 }
 </script>