Rename setParentData to setupParentData since it's not a setter per se.

sky/sdk/lib/rendering/flex.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 'box.dart';
 import 'object.dart';
 
 class FlexBoxParentData extends BoxParentData with ContainerParentDataMixin<RenderBox> {
@@ skipping 56 matching lines @@
 
   FlexAlignItems _alignItems;
   FlexAlignItems get alignItems => _alignItems;
   void set alignItems (FlexAlignItems value) {
     if (_alignItems != value) {
       _alignItems = value;
       markNeedsLayout();
     }
   }
 
-  void setParentData(RenderBox child) {
+  void setupParentData(RenderBox child) {
     if (child.parentData is! FlexBoxParentData)
       child.parentData = new FlexBoxParentData();
   }
 
   double _getIntrinsicSize({ BoxConstraints constraints,
                              FlexDirection sizingDirection,
                              _ChildSizingFunction childSize }) {
     // http://www.w3.org/TR/2015/WD-css-flexbox-1-20150514/#intrinsic-sizes
     if (_direction == sizingDirection) {
       // INTRINSIC MAIN SIZE
@@ skipping 303 matching lines @@
   }
 
   void hitTestChildren(HitTestResult result, { Point position }) {
     defaultHitTestChildren(result, position: position);
   }
 
   void paint(RenderCanvas canvas) {
     defaultPaint(canvas);
   }
 }