[Effen] Point the stocks2 and components2 files at the forked libraries.

sky/sdk/lib/framework/components2/fixed_height_scrollable.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 '../animation/scroll_behavior.dart';
 import '../debug/tracing.dart';
-import '../fn.dart';
+import '../fn2.dart';
 import 'dart:math' as math;
 import 'dart:async';
 import 'scrollable.dart';
 
 abstract class FixedHeightScrollable extends Scrollable {
   static final Style _style = new Style('''
     overflow: hidden;
     position: relative;
     will-change: transform;'''
   );
@@ skipping 79 matching lines @@
           style: _scrollAreaStyle,
           inlineStyle: transformStyle,
           children: buildItems(itemNumber, drawCount)
         )
       ]
     );
   }
 
   List<UINode> buildItems(int start, int count);  
 }