updateAutoMarginsInCrossAxis 1282 Source/core/rendering/RenderFlexibleBox.cpp if (updateAutoMarginsInCrossAxis(child, std::max(LayoutUnit(0), availableAlignmentSpaceForChild(lineCrossAxisExtent, child)))) updateAutoMarginsInCrossAxis 129 Source/core/rendering/RenderFlexibleBox.h bool updateAutoMarginsInCrossAxis(RenderBox* child, LayoutUnit availableAlignmentSpace);