Invalidate row/section for backgrounds when cell's geometry changes

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

Index: third_party/WebKit/Source/core/layout/LayoutTableCell.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableCell.h b/third_party/WebKit/Source/core/layout/LayoutTableCell.h
index fa4c3bedd16d3db6d4c7a7d322f4ea41913cfbeb..ff0d408f4d39dfc55739fb99b2c490c53367fa19 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableCell.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableCell.h
@@ -348,6 +348,11 @@ class CORE_EXPORT LayoutTableCell final : public LayoutBlockFlow {
                             const LayoutPoint& layer_offset,
                             const LayoutRect& container_rect) const override;
 
+  PaintInvalidationReason InvalidatePaintIfNeeded(
+      const PaintInvalidatorContext&) const override;
+  PaintInvalidationReason InvalidatePaintIfNeeded(
+      const PaintInvalidationState&) override;
+
  private:
   bool IsOfType(LayoutObjectType type) const override {
     return type == kLayoutObjectTableCell || LayoutBlockFlow::IsOfType(type);