Convert some text-based-repaint tests for spv2

LayoutTests/paint/invalidation/spv2/filter-repaint-accelerated-child-with-filter-child-expected.html

Index: LayoutTests/paint/invalidation/spv2/filter-repaint-accelerated-child-with-filter-child-expected.html
diff --git a/LayoutTests/fast/repaint/filter-repaint-accelerated-child-with-filter-child.html b/LayoutTests/paint/invalidation/spv2/filter-repaint-accelerated-child-with-filter-child-expected.html
similarity index 63%
copy from LayoutTests/fast/repaint/filter-repaint-accelerated-child-with-filter-child.html
copy to LayoutTests/paint/invalidation/spv2/filter-repaint-accelerated-child-with-filter-child-expected.html
index cff16550b9af7ec0d3901151c7ef375c057ee847..c7f75a147afdfdf38c97c152fa0eaf61fc4cf026 100644
--- a/LayoutTests/fast/repaint/filter-repaint-accelerated-child-with-filter-child.html
+++ b/LayoutTests/paint/invalidation/spv2/filter-repaint-accelerated-child-with-filter-child-expected.html
@@ -19,6 +19,7 @@ div {
 
 #resize {
     background-color: green;
+    width: 100px;
 }
 </style>
 
@@ -27,13 +28,3 @@ div {
         <div class="drop-shadow" id="resize"></div>
     </div>
 </div>
-
-<script src="resources/text-based-repaint.js"></script>
-<script>
-
-function repaintTest() {
-    var resizeElement = document.getElementById("resize");
-    resizeElement.style.width = "100px";
-}
-window.onload = runRepaintTest;
-</script>