ShrinkWrap the Stocks menu

sky/sdk/lib/framework/components2/popup_menu.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 'animated_component.dart';
 import '../animation/animated_value.dart';
 import '../fn2.dart';
 import '../theme2/colors.dart';
 import 'dart:async';
 import 'dart:math' as math;
@@ skipping 80 matching lines @@
   //   });
   // }
 
   UINode build() {
     int i = 0;
     List<UINode> children = new List.from(items.map((List<UINode> item) {
       double opacity = _opacityFor(i);
       return new PopupMenuItem(key: i++, children: item, opacity: opacity);
     }));
 
-    return new Material(
-      content: new Container(
-        padding: const EdgeDims.all(8.0),
-        // border-radius: 2px
-        decoration: new BoxDecoration(backgroundColor: Grey[50]),
-        // inlineStyle: _inlineStyle(),
-        child: new BlockContainer(children: children)
-      ),
-      level: level);
+    return new ShrinkWrapWidth(
+      child: new Material(
+        content: new Container(
+          padding: const EdgeDims.all(8.0),
+          // border-radius: 2px
+          decoration: new BoxDecoration(backgroundColor: Grey[50]),
+          // inlineStyle: _inlineStyle(),
+          child: new BlockContainer(children: children)
+        ),
+        level: level
+      )
+    );
   }
 }