Fix scaffold to work for the toolbar.

sky/examples/stocks2/lib/stock_app.dart

Index: sky/examples/stocks2/lib/stock_app.dart
diff --git a/sky/examples/stocks2/lib/stock_app.dart b/sky/examples/stocks2/lib/stock_app.dart
index 03c33f837d84570ab545013e62027631168863d7..cb65d858fe2112840e67143e9306803fac902c27 100644
--- a/sky/examples/stocks2/lib/stock_app.dart
+++ b/sky/examples/stocks2/lib/stock_app.dart
@@ -206,22 +206,15 @@ class StocksApp extends App {
   UINode build() {
     // List<UINode> overlays = [];
     // addMenuToOverlays(overlays);
-    return new Container(
-      child: new BlockContainer(children: [buildToolBar()]),
-      decoration: new BoxDecoration(
-        backgroundColor: const sky.Color(0xFFFFFFFF)
-      )
-    );
-
-    // return new Scaffold(
-    //    toolbar: _isSearching ? buildSearchBar() : buildToolBar()
+    return new Scaffold(
+       toolbar: _isSearching ? buildSearchBar() : buildToolBar()
     // ,
     //   body: new Stocklist(stocks: _stocks, query: _searchQuery),
     //   floatingActionButton: new FloatingActionButton(
     //     content: new Icon(type: 'content/add_white', size: 24), level: 3),
     //   drawer: _drawerShowing ? buildDrawer() : null,
     //   overlays: overlays
-    // );
+    );
   }
 }