Change the way hard splits are handled.

test/regression/0200/0221.unit

 >>>
 class Foo {
   static Column column(Handler onSelection) =>
       (Column.defaultBuilder(videoMsg())
     ..id = 'VIDEO'
     ..segment = ((row) => row.segmentedStats
         .map((s) => s.get(Stats.SEGMENTATION))
         .toList())
     ..cell = new Cell(onSelection)).build();
 }
@@ skipping 17 matching lines @@
       ..dateRange =
       chartDates.toChartDateRange(_model.settings.dateRange.value)
       ..segmentationDimension = _model.segmentation
       ..context = ChartContext.empty).build());
   }
 }
 <<<
 void _updateChart() {
   if (_model.settings != null) {
     _chart.update((ChartSettings.builder()
-      ..ids.addAll(_model.ids)
-      ..statusFilter = StatusFilter.ALL
-      ..dateRange = chartDates.toChartDateRange(_model.settings.dateRange.value)
-      ..segmentationDimension = _model.segmentation
-      ..context = ChartContext.empty).build());
+          ..ids.addAll(_model.ids)
+          ..statusFilter = StatusFilter.ALL
+          ..dateRange =
+              chartDates.toChartDateRange(_model.settings.dateRange.value)
+          ..segmentationDimension = _model.segmentation
+          ..context = ChartContext.empty)
+        .build());
   }
 }
 >>> (indent 2)
   void _updateChart() {
     if (_model.settings != null) {
       _chart.update((ChartSettings.builder()
         ..ids.addAll(_model.ids)
         ..statusFilter = StatusFilter.ALL
         ..dateRange =
         chartDates.toChartDateRange(_model.settings.dateRange.value)
@@ skipping 39 matching lines @@
 }
 <<<
 main() {
   (new OrderBy()
         ..field = s.column
         ..sortOrder = s.isAscending
             ? OrderBySortOrder.ASCENDING
             : OrderBySortOrder.DESCENDING)
       .toList();
 }