*** FOR PROTOTYPE PURPOSES ONLY! NOT INTENDED FOR COMMIT! ***

Source/core/rendering/RenderReplica.cpp

Index: Source/core/rendering/RenderReplica.cpp
diff --git a/Source/core/rendering/RenderReplica.cpp b/Source/core/rendering/RenderReplica.cpp
index d7885c279094e452cb80df9c7907d20909f9415a..3c9677f98247df4447c3d9853bc5ffff207257b2 100644
--- a/Source/core/rendering/RenderReplica.cpp
+++ b/Source/core/rendering/RenderReplica.cpp
@@ -58,6 +58,11 @@ RenderReplica::~RenderReplica()
 
 void RenderReplica::layout()
 {
+    preLayout();
+}
+
+void RenderReplica::preLayout()
+{
     LayoutRectRecorder recorder(*this);
     setFrameRect(parentBox()->borderBoxRect());
     updateLayerTransform();