Don't layout when isSelfPaintingLayer() changes

Source/core/rendering/RenderLayerModelObject.cpp

Index: Source/core/rendering/RenderLayerModelObject.cpp
diff --git a/Source/core/rendering/RenderLayerModelObject.cpp b/Source/core/rendering/RenderLayerModelObject.cpp
index ce728d95341d91bafed60c584b5b168657f91c4d..e188a3e92d6f6410a0683443644c94627270b217 100644
--- a/Source/core/rendering/RenderLayerModelObject.cpp
+++ b/Source/core/rendering/RenderLayerModelObject.cpp
@@ -161,10 +161,9 @@ void RenderLayerModelObject::styleDidChange(StyleDifference diff, const RenderSt
         // FIXME: Ideally we shouldn't need this setter but we can't easily infer an overflow-only layer
         // from the style.
         layer()->setLayerType(type);
-
         layer()->styleChanged(diff, oldStyle);
         if (hadLayer && layer()->isSelfPaintingLayer() != layerWasSelfPainting)
-            setChildNeedsLayout();
+            repaint();

[abarth-chromium, 2014/05/08 01:37:51]

Do any tests fail if you just delete this line?

     }
 
     if (FrameView *frameView = view()->frameView()) {