Fix checkForRepaintDuringLayout do return false when doing repaintAfterLayout.

Source/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1589 matching lines @@
             repaintUsingContainer(repaintContainer, pixelSnappedIntRect(bottomRect));
         }
     }
     return false;
 }
 
 void RenderObject::repaintOverflow()
 {
 }
 
+bool RenderObject::checkForRepaint() const
+{
+    return !document().view()->needsFullRepaint() && !hasLayer() && everHadLayout();
+}
+
 bool RenderObject::checkForRepaintDuringLayout() const
 {
-    return !document().view()->needsFullRepaint() && !hasLayer() && everHadLayout();
+    return !RuntimeEnabledFeatures::repaintAfterLayoutEnabled() && checkForRepaint();
 }
 
 LayoutRect RenderObject::rectWithOutlineForRepaint(const RenderLayerModelObject* repaintContainer, LayoutUnit outlineWidth) const
 {
     LayoutRect r(clippedOverflowRectForRepaint(repaintContainer));
     r.inflate(outlineWidth);
     return r;
 }
 
 LayoutRect RenderObject::clippedOverflowRectForRepaint(const RenderLayerModelObject*) const
@@ skipping 1784 matching lines @@
 {
     if (object1) {
         const WebCore::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif