Give ParentDataNodes snappier names

sky/sdk/lib/widgets/basic.dart

 
 import 'package:vector_math/vector_math.dart';
 
 import '../rendering/block.dart';
 import '../rendering/box.dart';
 import '../rendering/flex.dart';
 import '../rendering/object.dart';
 import '../rendering/paragraph.dart';
 import '../rendering/stack.dart';
 import 'ui_node.dart';
@@ skipping 288 matching lines @@
 class Stack extends MultiChildRenderObjectWrapper {
 
   Stack(List<UINode> children, { Object key })
     : super(key: key, children: children);
 
   RenderStack get root { RenderStack result = super.root; return result; }
   RenderStack createNode() => new RenderStack();
 
 }
 
-class StackPositionedChild extends ParentDataNode {
-  StackPositionedChild(UINode content, {
-    double top, double right, double bottom, double left
+class Positioned extends ParentDataNode {
+  Positioned({
+    UINode child,
+    double top,
+    double right,
+    double bottom,
+    double left
   }) : super(content, new StackParentData()..top = top
                                            ..right = right
                                            ..bottom = bottom
                                            ..left = left);
 }
 
 class Flex extends MultiChildRenderObjectWrapper {
 
   Flex(List<UINode> children, {
     Object key,
@@ skipping 11 matching lines @@
 
   void syncRenderObject(UINode old) {
     super.syncRenderObject(old);
     root.direction = direction;
     root.justifyContent = justifyContent;
     root.alignItems = alignItems;
   }
 
 }
 
-class FlexExpandingChild extends ParentDataNode {
-  FlexExpandingChild(UINode content, { int flex: 1, Object key })
-    : super(content, new FlexBoxParentData()..flex = flex, key: key);
+class Flexible extends ParentDataNode {
+  Flexible({ UINode child, int flex: 1, Object key })
+    : super(child, new FlexBoxParentData()..flex = flex, key: key);
 }
 
 class Paragraph extends RenderObjectWrapper {
 
   Paragraph({ Object key, this.text, this.style }) : super(key: key);
 
   RenderParagraph get root { RenderParagraph result = super.root; return result; }
   RenderParagraph createNode() => new RenderParagraph(text: text, style: style);
 
   final String text;
@@ skipping 39 matching lines @@
     root.src = src;
     root.requestedSize = size;
   }
 
   void insert(RenderObjectWrapper child, dynamic slot) {
     assert(false);
     // Image does not support having children currently
   }
 
 }