benchmark change

diff.txt

diff --git a/dev/benchmarks/macrobenchmarks/lib/src/very_long_picture_scrolling.dart b/dev/benchmarks/macrobenchmarks/lib/src/very_long_picture_scrolling.dart
index 8e3a41ab92..bfaaabd7fd 100644
--- a/dev/benchmarks/macrobenchmarks/lib/src/very_long_picture_scrolling.dart
+++ b/dev/benchmarks/macrobenchmarks/lib/src/very_long_picture_scrolling.dart
@@ -27,6 +27,7 @@ class VeryLongPictureScrollingPerfState extends State<VeryLongPictureScrollingPe
     return Scaffold(
       appBar: AppBar(
         actions: <Widget>[
+          LinearProgressIndicator(),
           Row(
             children: <Widget>[
               const Text('list:'),
@@ -56,6 +57,7 @@ class VeryLongPictureScrollingPerfState extends State<VeryLongPictureScrollingPe
           clipBehavior: Clip.none,
           itemCount: (waveData.length / 200).ceil(),
           itemExtent: 100,
+          addRepaintBoundaries: false,
           itemBuilder: (BuildContext context, int index) => CustomPaint(
               painter: PaintSomeTest(
                 waveData: waveData,
@@ -70,7 +72,7 @@ class VeryLongPictureScrollingPerfState extends State<VeryLongPictureScrollingPe
           child: SizedBox(
             width: MediaQuery.of(context).size.width * 20,
             height: MediaQuery.of(context).size.height,
-            child: RepaintBoundary(
+            child: Container(
               child: CustomPaint(
                 isComplex: true,
                 painter: PaintTest(