Convert svg repaint tests to pixel test only repaint

LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg

Index: LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg
diff --git a/LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg b/LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg
index 09945b1db9f0c6318f54d9a131b578fb2e90a64e..ec0502a7ab3b8fa656d45ad132d12aa4471d05ec 100644
--- a/LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg
+++ b/LayoutTests/svg/custom/js-late-clipPath-and-object-creation.svg
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1 Basic//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11-basic.dtd">  
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"  id="svg-root" width="100%" height="100%" viewBox="0 0 480 360" onload="runRepaintTest()">
-<script xlink:href="../../fast/repaint/resources/repaint.js"/>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"  id="svg-root" width="100%" height="100%" viewBox="0 0 480 360" onload="runRepaintAndPixelTest()">
+<script xlink:href="../../fast/repaint/resources/text-based-repaint.js"/>
 <g id="content" transform="scale(1, 1.5)"/>
 <script>
     var content = document.getElementById("content");