Move RenderLayer repainting to repaint-after-layout framework.

LayoutTests/fast/repaint/bugzilla-6388.html

Index: LayoutTests/fast/repaint/bugzilla-6388.html
diff --git a/LayoutTests/fast/repaint/bugzilla-6388.html b/LayoutTests/fast/repaint/bugzilla-6388.html
index 00906e689089a765cbf37d1233d6cd7939814f7c..ba461c94d59ceaada3c340197b1699c3aa4c9620 100644
--- a/LayoutTests/fast/repaint/bugzilla-6388.html
+++ b/LayoutTests/fast/repaint/bugzilla-6388.html
@@ -21,10 +21,10 @@ The blue square will change to green.
 The blue square will NOT change to green.
 </p>
 
-<div style="width: 100px; height: 100px; overflow: hidden; position: relative">
+<div id="relative" style="width: 100px; height: 100px; overflow: hidden; position: relative">
     <div id="outside" style="position:absolute; width: 0; height: 0;">
-        <div style="width: 200px; height: 100px; position: absolute; background: green;">
-            <div style="width: 100px; height: 100px; background: blue;"></div>
+        <div id="green" style="width: 200px; height: 100px; position: absolute; background: green;">
+            <div id="blue" style="width: 100px; height: 100px; background: blue;"></div>
         </div>
     </div>
 </div>