Paint invalidation tests for slimming paint v2

LayoutTests/paint/invalidation/spv2/invalidate-after-composited-scroll-expected.html

Index: LayoutTests/paint/invalidation/spv2/invalidate-after-composited-scroll-expected.html
diff --git a/LayoutTests/paint/invalidation/invalidate-after-composited-scroll.html b/LayoutTests/paint/invalidation/spv2/invalidate-after-composited-scroll-expected.html
similarity index 62%
copy from LayoutTests/paint/invalidation/invalidate-after-composited-scroll.html
copy to LayoutTests/paint/invalidation/spv2/invalidate-after-composited-scroll-expected.html
index d097a6e23fb07a492ac6fdce4f923826d945dc9d..30ff1a9c86bd3158d1bc4566702caa6139117e6c 100644
--- a/LayoutTests/paint/invalidation/invalidate-after-composited-scroll.html
+++ b/LayoutTests/paint/invalidation/spv2/invalidate-after-composited-scroll-expected.html
@@ -2,19 +2,11 @@
 <div id="scroller" style="overflow:auto; will-change: transform; width: 200px; height: 200px; position: absolute; left: 300px; top: 300px;">
     <div>
         <div class="spacer" style="width: 1px; height: 2400px;"></div>
-        <div id="target" style="width: 100px; height: 100px; background: blue"></div>
+        <div id="target" style="width: 100px; height: 100px; background: papayawhip"></div>
         <div class="spacer" style="width: 1px; height: 2400px;"></div>
-      </div>
     </div>
 </div>
-<script src="../../fast/repaint/resources/text-based-repaint.js"></script>
 Tests that invalidation of a div after scrolling invalidates just the div and scrollbars, and no other area.
 <script>
-function repaintTest() {
-    scroller.scrollTop = 2350;
-    target.style.background = "papayawhip";
-    finishRepaintTest();
-}
-window.testIsAsync = true;
-onload = runRepaintTest;
-</script> 
+scroller.scrollTop = 2350;
+</script>