Respect break-inside:avoid on table rows

third_party/WebKit/Source/core/layout/LayoutTableRow.h

Index: third_party/WebKit/Source/core/layout/LayoutTableRow.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableRow.h b/third_party/WebKit/Source/core/layout/LayoutTableRow.h
index 753da7577b956e629224c10e02e2b53de07350d3..8101cee562da966533f99ad1fa670688d7d80b06 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableRow.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableRow.h
@@ -128,6 +128,10 @@ public:
 
     bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const override;
 
+    int paginationStrutPropagatedFromCell() const { return m_paginationStrutPropagatedFromCell; }
+    void resetPaginationStrutPropagatedFromCell() { m_paginationStrutPropagatedFromCell = 0; }
+    void setPaginationStrutPropagatedFromCell(LayoutUnit strut) { ASSERT(!m_paginationStrutPropagatedFromCell || !strut || m_paginationStrutPropagatedFromCell == strut); m_paginationStrutPropagatedFromCell = strut; }
+
 private:
     LayoutObjectChildList* virtualChildren() override { return children(); }
     const LayoutObjectChildList* virtualChildren() const override { return children(); }
@@ -165,6 +169,7 @@ private:
     // rowIndex() above instead. This is to ensure that we never read this
     // value before it is set.
     unsigned m_rowIndex : 31;
+    int m_paginationStrutPropagatedFromCell;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTableRow, isTableRow());