Give the floating action button a slash effect

sky/examples/fn/widgets/style_component.dart

Index: sky/examples/fn/widgets/style_component.dart
diff --git a/sky/examples/fn/widgets/style_component.dart b/sky/examples/fn/widgets/style_component.dart
deleted file mode 100644
index fb18c52e86ea266d8b325c2b050ca6c969125182..0000000000000000000000000000000000000000
--- a/sky/examples/fn/widgets/style_component.dart
+++ /dev/null
@@ -1,17 +0,0 @@
-part of widgets;
-
-abstract class StyleComponent extends Component {
-  Node content;
-
-  // Subclasses should implement this getter to provide their style information.
-  Style get style => null;
-
-  StyleComponent({ Object key, this.content }) : super(key: key);
-
-  Node render() {
-    return new Container(
-      style: style,
-      children: content == null ? [] : [content]
-    );
-  }
-}