paintingRoot of a renderobject should be the renderer of its enclosingLayer RenderLayer

Source/core/page/FrameView.cpp

Index: Source/core/page/FrameView.cpp
diff --git a/Source/core/page/FrameView.cpp b/Source/core/page/FrameView.cpp
index b8541cd4c0f9613135720aaaccc4b56a7f81a424..21ae3fe80d49418b4de12903f5dc3c7b4795a7c3 100644
--- a/Source/core/page/FrameView.cpp
+++ b/Source/core/page/FrameView.cpp
@@ -2935,7 +2935,8 @@ void FrameView::paintContents(GraphicsContext* p, const IntRect& rect)
     RenderObject::SetLayoutNeededForbiddenScope forbidSetNeedsLayout(rootLayer->renderer());
 #endif
 
-    rootLayer->paint(p, rect, m_paintBehavior, eltRenderer);
+    RenderObject* enclosingLayerRenderer = eltRenderer->enclosingLayer() ? eltRenderer->enclosingLayer()->renderer() : eltRenderer;
+    rootLayer->paint(p, rect, m_paintBehavior, enclosingLayerRenderer);
 
     if (rootLayer->containsDirtyOverlayScrollbars())
         rootLayer->paintOverlayScrollbars(p, rect, m_paintBehavior, eltRenderer);