BottomBorderEdge 1410 Source/core/rendering/RenderBoxModelObject.cpp     AllBorderEdges = TopBorderEdge | BottomBorderEdge | LeftBorderEdge | RightBorderEdge
BottomBorderEdge 1426 Source/core/rendering/RenderBoxModelObject.cpp         || (flags & (RightBorderEdge | BottomBorderEdge)) == (RightBorderEdge | BottomBorderEdge)
BottomBorderEdge 1427 Source/core/rendering/RenderBoxModelObject.cpp         || (flags & (BottomBorderEdge | LeftBorderEdge)) == (BottomBorderEdge | LeftBorderEdge)