Remove "RenderBlock" class from examples that use it without giving it unrestricted height.

sky/tests/raw/render_flex.dart

Index: sky/tests/raw/render_flex.dart
diff --git a/sky/tests/raw/render_flex.dart b/sky/tests/raw/render_flex.dart
index 36b694769a4bf177c1917f7b37592168f13833bf..ae92e42392c8d703f72d74558b89dc57d3b4f731 100644
--- a/sky/tests/raw/render_flex.dart
+++ b/sky/tests/raw/render_flex.dart
@@ -4,106 +4,20 @@
 
 import 'dart:sky' as sky;
 
-import 'package:sky/rendering/block.dart';
 import 'package:sky/rendering/box.dart';
-import 'package:sky/rendering/flex.dart';
 
+import '../../sdk/example/rendering/flex.dart';
 import '../resources/display_list.dart';
 import '../resources/third_party/unittest/unittest.dart';
 import '../resources/unit.dart';
 
-class RenderSolidColor extends RenderDecoratedBox {
-  final sky.Size desiredSize;
-  final sky.Color backgroundColor;
-
-  RenderSolidColor(sky.Color backgroundColor, { this.desiredSize: sky.Size.infinite })
-      : backgroundColor = backgroundColor,
-        super(decoration: new BoxDecoration(backgroundColor: backgroundColor)) {
-  }
-
-  double getMinIntrinsicWidth(BoxConstraints constraints) {
-    return constraints.constrainWidth(desiredSize.width);
-  }
-
-  double getMaxIntrinsicWidth(BoxConstraints constraints) {
-    return constraints.constrainWidth(desiredSize.width);
-  }
-
-  double getMinIntrinsicHeight(BoxConstraints constraints) {
-    return constraints.constrainHeight(desiredSize.height);
-  }
-
-  double getMaxIntrinsicHeight(BoxConstraints constraints) {
-    return constraints.constrainHeight(desiredSize.height);
-  }
-
-  void performLayout() {
-    size = constraints.constrain(desiredSize);
-  }
-
-  void handleEvent(sky.Event event, BoxHitTestEntry entry) {
-    if (event.type == 'pointerdown')
-      decoration = new BoxDecoration(backgroundColor: const sky.Color(0xFFFF0000));
-    else if (event.type == 'pointerup')
-      decoration = new BoxDecoration(backgroundColor: backgroundColor);
-  }
-}
-
 void main() {
   initUnit();
 
   test("should flex", () {
-    RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical);
-
-    RenderDecoratedBox root = new RenderDecoratedBox(
-      decoration: new BoxDecoration(backgroundColor: const sky.Color(0xFF000000)),
-      child: flexRoot
-    );
-
-    void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { int flex: 0 }) {
-      RenderSolidColor child = new RenderSolidColor(backgroundColor);
-      parent.add(child);
-      child.parentData.flex = flex;
-    }
-
-    // Yellow bar at top
-    addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFFFF00), flex: 1);
-
-    // Turquoise box
-    flexRoot.add(new RenderSolidColor(const sky.Color(0x7700FFFF), desiredSize: new sky.Size(100.0, 100.0)));
-
-    // Green and cyan render block with padding
-    var renderBlock = new RenderBlock();
-
-    renderBlock.add(new RenderSolidColor(const sky.Color(0xFF00FF00), desiredSize: new sky.Size(100.0, 50.0)));
-    renderBlock.add(new RenderSolidColor(const sky.Color(0x7700FFFF), desiredSize: new sky.Size(50.0, 100.0)));
-
-    var renderDecoratedBlock = new RenderDecoratedBox(
-      decoration: new BoxDecoration(backgroundColor: const sky.Color(0xFFFFFFFF)),
-      child: renderBlock
-    );
-
-    flexRoot.add(new RenderPadding(padding: const EdgeDims.all(10.0), child: renderDecoratedBlock));
-
-    var row = new RenderFlex(direction: FlexDirection.horizontal);
-
-    // Purple and blue cells
-    addFlexChildSolidColor(row, const sky.Color(0x77FF00FF), flex: 1);
-    addFlexChildSolidColor(row, const sky.Color(0xFF0000FF), flex: 2);
-
-    var decoratedRow = new RenderDecoratedBox(
-      decoration: new BoxDecoration(backgroundColor: const sky.Color(0xFF333333)),
-      child: row
-    );
-
-    flexRoot.add(decoratedRow);
-    decoratedRow.parentData.flex = 3;
-
+    RenderBox root = buildFlexExample();
     new TestRenderView(root);
-
     expect(root.size.width, equals(sky.view.width));
     expect(root.size.height, equals(sky.view.height));
-    expect(renderBlock.size.width, equals(sky.view.width - 20.0));
-
   });
 }