FCMify text-based-repaint layout tests

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

Index: LayoutTests/fast/repaint/resources/text-based-repaint.js
diff --git a/LayoutTests/fast/repaint/resources/text-based-repaint.js b/LayoutTests/fast/repaint/resources/text-based-repaint.js
index c9526652ffb5a46476707a6f2f0a0a4c4c977fa2..722ab74d746c4cc13e900a9483799ee38b45c881 100644
--- a/LayoutTests/fast/repaint/resources/text-based-repaint.js
+++ b/LayoutTests/fast/repaint/resources/text-based-repaint.js
@@ -9,6 +9,8 @@ function runRepaintTest()
         return;
     }
 
+    window.internals.settings.setForceCompositingMode(true);
+
     if (window.enablePixelTesting)
         testRunner.dumpAsTextWithPixelResults();
     else
@@ -47,7 +49,7 @@ function finishRepaintTest()
     // Force a style recalc.
     forceStyleRecalc();
 
-    var repaintRects = window.internals.repaintRectsAsText(document);
+    var repaintRects = window.internals.layerTreeAsText(document, window.internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
 
     internals.stopTrackingRepaints(document);