No need for both isLayoutBoxModelObject() and isBoxModelObject().

Source/core/layout/LayoutObject.cpp

Index: Source/core/layout/LayoutObject.cpp
diff --git a/Source/core/layout/LayoutObject.cpp b/Source/core/layout/LayoutObject.cpp
index e96113c8527123bac9e23bd9410e148474f9f1a9..a9182eaebe1912d18bc1ae6777e786e25465af23 100644
--- a/Source/core/layout/LayoutObject.cpp
+++ b/Source/core/layout/LayoutObject.cpp
@@ -1669,7 +1669,7 @@ StyleDifference LayoutObject::adjustStyleDifference(StyleDifference diff) const
     // The answer to layerTypeRequired() for plugins, iframes, and canvas can change without the actual
     // style changing, since it depends on whether we decide to composite these elements. When the
     // layer status of one of these elements changes, we need to force a layout.
-    if (!diff.needsFullLayout() && style() && isLayoutBoxModelObject()) {
+    if (!diff.needsFullLayout() && style() && isBoxModelObject()) {
         bool requiresLayer = toLayoutBoxModelObject(this)->layerTypeRequired() != NoDeprecatedPaintLayer;
         if (hasLayer() != requiresLayer)
             diff.setNeedsFullLayout();