flowThreadPortionOverflowRect 347 Source/core/rendering/RenderMultiColumnSet.cpp LayoutRect RenderMultiColumnSet::flowThreadPortionOverflowRect(const LayoutRect& portionRect, unsigned index, unsigned colCount, LayoutUnit colGap) const flowThreadPortionOverflowRect 69 Source/core/rendering/RenderRegion.cpp LayoutRect RenderRegion::flowThreadPortionOverflowRect() const