setNegativeMargin 1156 Source/core/rendering/RenderBlockFlow.cpp             marginInfo.setNegativeMargin(childMargins.negativeMarginAfter());
setNegativeMargin 1256 Source/core/rendering/RenderBlockFlow.cpp             marginInfo.setNegativeMargin(max(childMargins.negativeMarginBefore(), childMargins.negativeMarginAfter()));