Rename RenderNode to RenderObject.

sky/examples/raw/ink_well.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:sky' as sky;
 import 'package:sky/framework/app.dart';
 import 'package:sky/framework/rendering/box.dart';
-import 'package:sky/framework/rendering/node.dart';
+import 'package:sky/framework/rendering/object.dart';
 import 'package:sky/framework/animation/animated_value.dart';
 import 'package:sky/framework/animation/curves.dart';
 
 const double _kInitialSize = 0.0;
 const double _kTargetSize = 100.0;
 const double _kSplashDuration = 500.0;
 const int _kInitialOpacity = 0x80;
 
 class InkSplash {
   final InkWell inkWell;
   final sky.Paint _paint = new sky.Paint();
   final sky.Point position;
   AnimatedValue radius;
 
   InkSplash({ this.position, this.inkWell }) {
     radius = new AnimatedValue(_kInitialSize, onChange: _handleRadiusChange);
     radius.animateTo(_kTargetSize, _kSplashDuration, curve: easeOut);
   }
 
   void _handleRadiusChange() {
     if (radius.value == _kTargetSize)
       inkWell._splashes.remove(this);
     inkWell.markNeedsPaint();
   }
 
-  void paint(RenderNodeDisplayList canvas) {
+  void paint(RenderObjectDisplayList canvas) {
     int opacity = (_kInitialOpacity * (1.0 - (radius.value / _kTargetSize))).floor();
     _paint.color = new sky.Color(opacity << 24);
     canvas.drawCircle(position.x, position.y, radius.value, _paint);
   }
 }
 
 class InkWell extends RenderBox {
   final List<InkSplash> _splashes = new List<InkSplash>();
 
   void handleEvent(sky.Event event) {
     switch (event.type) {
       case 'pointerdown':
         _splashes.add(new InkSplash(position: new sky.Point(event.x, event.y),
                                     inkWell: this));
         break;
     }
     markNeedsPaint();
   }
 
   void performLayout() {
     size = constraints.constrain(new sky.Size.infinite());
   }
 
-  void paint(RenderNodeDisplayList canvas) {
+  void paint(RenderObjectDisplayList canvas) {
     canvas.drawRect(new sky.Rect.fromLTRB(0.0, 0.0, size.width, size.height),
                     new sky.Paint()..color = const sky.Color(0xFFCCCCCC));
     for (InkSplash splash in _splashes)
       splash.paint(canvas);
   }
 }
 
 AppView app;
 
 void main() {
   app = new AppView(new InkWell());
 }