Make Drawer in components2 work

sky/sdk/lib/framework/rendering/box.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 'dart:math' as math;
 import 'dart:sky' as sky;
 import 'dart:typed_data';
 import 'node.dart';
 import 'package:vector_math/vector_math.dart';
 
@@ skipping 32 matching lines @@
     this.maxWidth: double.INFINITY,
     this.minHeight: 0.0,
     this.maxHeight: double.INFINITY});
 
   BoxConstraints.tight(sky.Size size)
     : minWidth = size.width,
       maxWidth = size.width,
       minHeight = size.height,
       maxHeight = size.height;
 
+  BoxConstraints.loose(sky.Size size)
+    : minWidth = 0.0,
+      maxWidth = size.width,
+      minHeight = 0.0,
+      maxHeight = size.height;
+
   BoxConstraints deflate(EdgeDims edges) {
     assert(edges != null);
     double horizontal = edges.left + edges.right;
     double vertical = edges.top + edges.bottom;
     return new BoxConstraints(
       minWidth: math.max(0.0, minWidth - horizontal),
       maxWidth: maxWidth - horizontal,
       minHeight: math.max(0.0, minHeight - vertical),
       maxHeight: maxHeight - vertical
     );
@@ skipping 277 matching lines @@
     Vector3 transformed3 = inverse.transform3(position3);
     sky.Point transformed = new sky.Point(transformed3.x, transformed3.y);
     super.hitTestChildren(result, position: transformed);
   }
 
   void paint(RenderNodeDisplayList canvas) {
     Float32List storage = _transform.storage;
 
     canvas.save();
     canvas.concat([
-      storage[ 0], storage[ 1], storage[ 3],
-      storage[ 4], storage[ 5], storage[ 7],
-      storage[12], storage[13], storage[15],
+      storage[ 0], storage[ 4], storage[12],
+      storage[ 1], storage[ 5], storage[13],
+      storage[ 3], storage[ 7], storage[15],
     ]);
     super.paint(canvas);
     canvas.restore();
   }
 }
 
 
 // RENDER VIEW LAYOUT MANAGER
 
 class ViewConstraints {
@@ skipping 94 matching lines @@
 
   void defaultPaint(RenderNodeDisplayList canvas) {
     RenderBox child = firstChild;
     while (child != null) {
       assert(child.parentData is ParentDataType);
       canvas.paintChild(child, child.parentData.position);
       child = child.parentData.nextSibling;
     }
   }
 }