Fix shrink-to-fit when children's writing-mode is orthogonal

Source/core/layout/LayoutBox.h

Index: Source/core/layout/LayoutBox.h
diff --git a/Source/core/layout/LayoutBox.h b/Source/core/layout/LayoutBox.h
index 42bc43fe520c46f8de026a07375395f029fea671..083a920f5731c8c2bdbd35ac0ebfbc6520c082c2 100644
--- a/Source/core/layout/LayoutBox.h
+++ b/Source/core/layout/LayoutBox.h
@@ -599,6 +599,7 @@ public:
     virtual void markForPaginationRelayoutIfNeeded(SubtreeLayoutScope&);
 
     bool isWritingModeRoot() const { return !parent() || parent()->style()->writingMode() != style()->writingMode(); }
+    bool isWritingModeOrthogonalToParent() const { return parent() && parent()->isHorizontalWritingMode() != isHorizontalWritingMode(); }
 
     bool isDeprecatedFlexItem() const { return !isInline() && !isFloatingOrOutOfFlowPositioned() && parent() && parent()->isDeprecatedFlexibleBox(); }
     bool isFlexItemIncludingDeprecated() const { return !isInline() && !isFloatingOrOutOfFlowPositioned() && parent() && parent()->isFlexibleBoxIncludingDeprecated(); }