Update paths in sky_home.dart

sky/sdk/lib/framework/rendering/object.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 '../node.dart';
 import '../scheduler.dart' as scheduler;
+import 'dart:math' as math;

[Hixie, 2015/06/11 22:14:10]

see note above about conventions for import order

 import 'dart:sky' as sky;
 import 'dart:sky' show Point, Size, Rect, Color, Paint, Path;
 export 'dart:sky' show Point, Size, Rect, Color, Paint, Path;
 
 class ParentData {
   void detach() {
     detachSiblings();
   }
   void detachSiblings() { } // workaround for lack of inter-class mixins in Dart
   void merge(ParentData other) {
@@ skipping 242 matching lines @@
 }
 
 class HitTestResult {
   final List<HitTestEntry> path = new List<HitTestEntry>();
 
   void add(HitTestEntry data) {
     path.add(data);
   }
 }
 
+double clamp({double min: 0.0, double value: 0.0, double max: double.INFINITY}) {

[Hixie, 2015/06/11 22:14:10]

see note above about spaces around arguments

+  assert(min != null);
+  assert(value != null);
+  assert(max != null);
+  return math.max(min, math.min(max, value));
+}
+
 
 // GENERIC MIXIN FOR RENDER NODES WITH ONE CHILD
 
 abstract class RenderObjectWithChildMixin<ChildType extends RenderObject> implements RenderObject {
   ChildType _child;
   ChildType get child => _child;
   void set child (ChildType value) {
     if (_child != null)
       dropChild(_child);
     _child = value;
@@ skipping 168 matching lines @@
     int count = 1;
     ChildType child = _firstChild;
     while (child != null) {
       result += '${prefix}child ${count}: ${child.toString(prefix)}';
       count += 1;
       child = child.parentData.nextSibling;
     }
     return result;
   }
 }