Function layout_2013::table::perform_border_collapse_for_row

fn perform_border_collapse_for_row(
    child_table_row: &mut TableRowFlow,
    table_inline_borders: &TableInlineCollapsedBorders,
    previous_block_borders: PreviousBlockCollapsedBorders,
    next_block_borders: NextBlockCollapsedBorders<'_>,
    inline_spacing: &mut Vec<Au>,
    block_spacing: &mut Vec<Au>,
)

Updates the border styles in the block direction for a single row. This function should only be called if border collapsing is on. It is factored out into a separate function because we process children of rowgroups too.