Update a stale comment in RenderLayer.

Source/core/rendering/RenderLayer.cpp

Index: Source/core/rendering/RenderLayer.cpp
diff --git a/Source/core/rendering/RenderLayer.cpp b/Source/core/rendering/RenderLayer.cpp
index b47d394e4f98a228ba7176c400e8c9d70f5a1d96..8a429eb4fb4a2a4a0b2d013d0c9b6f3eb54e907f 100644
--- a/Source/core/rendering/RenderLayer.cpp
+++ b/Source/core/rendering/RenderLayer.cpp
@@ -1908,7 +1908,8 @@ void RenderLayer::paintLayer(GraphicsContext* context, const LayerPaintingInfo&
         } else if (!compositedLayerMapping()->paintsIntoCompositedAncestor()
             && !shouldDoSoftwarePaint(this, paintFlags & PaintLayerPaintingReflection)
             && !paintForFixedRootBackground(this, paintFlags)) {
-            // If this RenderLayer should paint into its own backing, that will be done via CompositedLayerMapping::paintIntoLayer().
+            // If this RenderLayer should paint into its own backing, that will be done via CompositedLayerMapping::paintContents()
+            // and CompositedLayerMapping::doPaintTask().
             return;
         }
     } else if (viewportConstrainedNotCompositedReason() == NotCompositedForBoundsOutOfView) {