addArc            275 Source/core/html/canvas/CanvasPathMethods.cpp     m_path.addArc(FloatPoint(x, y), radius, startAngle, adjustedEndAngle, anticlockwise);
addArc            125 Source/platform/graphics/Path.h     void addArc(const FloatPoint&, float radius, float startAngle, float endAngle, bool anticlockwise);