Convert svg repaint tests to pixel test only repaint

LayoutTests/svg/repaint/filter-child-repaint.svg

Index: LayoutTests/svg/repaint/filter-child-repaint.svg
diff --git a/LayoutTests/svg/repaint/filter-child-repaint.svg b/LayoutTests/svg/repaint/filter-child-repaint.svg
index 3714eb3a66f574f36416cee150addb8d70b06701..08c09ca2cf10a1fa0fa88afacfa3f3d43a925f25 100644
--- a/LayoutTests/svg/repaint/filter-child-repaint.svg
+++ b/LayoutTests/svg/repaint/filter-child-repaint.svg
@@ -1,7 +1,7 @@
 <?xml version="1.0" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="128px" height="128px" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="runRepaintTest()">
-<script xlink:href="../../fast/repaint/resources/repaint.js" type="text/javascript"></script>
+<svg width="128px" height="128px" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" onload="runRepaintAndPixelTest()">
+<script xlink:href="../../fast/repaint/resources/text-based-repaint.js" type="text/javascript"></script>
   <script type="text/javascript">
   function repaintTest() {
     document.getElementById('poke').style.fill = 'green';