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

Source/core/layout/LayoutBlock.h

Index: Source/core/layout/LayoutBlock.h
diff --git a/Source/core/layout/LayoutBlock.h b/Source/core/layout/LayoutBlock.h
index a4393bf33b1dcf6b48f679e81dfc4e5baa120016..03a9120ca15dadc0916890353c3099580762d6ed 100644
--- a/Source/core/layout/LayoutBlock.h
+++ b/Source/core/layout/LayoutBlock.h
@@ -206,6 +206,10 @@ public:
     LayoutUnit startOffsetForContent() const { return style()->isLeftToRightDirection() ? logicalLeftOffsetForContent() : logicalWidth() - logicalRightOffsetForContent(); }
     LayoutUnit endOffsetForContent() const { return !style()->isLeftToRightDirection() ? logicalLeftOffsetForContent() : logicalWidth() - logicalRightOffsetForContent(); }
 
+    bool needsRecalcLogicalWidthAfterLayoutChildren() const { return m_needsRecalcLogicalWidthAfterLayoutChildren; }
+    void setNeedsRecalcLogicalWidthAfterLayoutChildren() { m_needsRecalcLogicalWidthAfterLayoutChildren = true; }
+    void clearNeedsRecalcLogicalWidthAfterLayoutChildren() { m_needsRecalcLogicalWidthAfterLayoutChildren = false; }
+
     virtual LayoutUnit logicalLeftSelectionOffset(const LayoutBlock* rootBlock, LayoutUnit position) const;
     virtual LayoutUnit logicalRightSelectionOffset(const LayoutBlock* rootBlock, LayoutUnit position) const;
 
@@ -418,6 +422,7 @@ protected:
     unsigned m_widthAvailableToChildrenChanged  : 1;
     mutable unsigned m_hasOnlySelfCollapsingChildren : 1;
     mutable unsigned m_descendantsWithFloatsMarkedForLayout : 1;
+    mutable unsigned m_needsRecalcLogicalWidthAfterLayoutChildren : 1;
 
     // LayoutRubyBase objects need to be able to split and merge, moving their children around
     // (calling moveChildTo, moveAllChildrenTo, and makeChildrenNonInline).