Output repaint rects for svg repaint tests

LayoutTests/fast/repaint/resources/text-based-repaint.js

 // Asynchronous tests should manually call finishRepaintTest at the appropriate time.
 window.testIsAsync = false;
 window.outputRepaintRects = true;
 
 if (window.internals)
     window.internals.settings.setForceCompositingMode(true)
 
 function runRepaintTest()
 {
     if (!window.testRunner || !window.internals) {
@@ skipping 15 matching lines @@
 
     repaintTest();
 
     if (!window.testIsAsync)
         finishRepaintTest();
 }
 
 function runRepaintAndPixelTest()
 {
     window.enablePixelTesting = true;
-    window.outputRepaintRects = false;
     runRepaintTest();
 }
 
 function forceStyleRecalc()
 {
     if (document.body)
         document.body.offsetTop;
     else if (document.documentElement)
         document.documentElement.offsetTop;
 }
 
 function finishRepaintTest()
 {
     // Force a style recalc.
     forceStyleRecalc();
 
     var repaintRects = window.internals.layerTreeAsText(document, window.internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
 
     internals.stopTrackingRepaints(document);
 
     if (window.outputRepaintRects)
         testRunner.setCustomTextOutput(repaintRects);
 
     if (window.afterTest)
         window.afterTest();
 
     if (window.testIsAsync)
         testRunner.notifyDone();
 }