clearCanvas      1020 Source/core/html/canvas/CanvasRenderingContext2D.cpp         clearCanvas();
clearCanvas      1330 Source/core/html/canvas/CanvasRenderingContext2D.cpp         clearCanvas();
clearCanvas      1570 Source/core/html/canvas/CanvasRenderingContext2D.cpp             clearCanvas();
clearCanvas       326 Source/core/html/canvas/CanvasRenderingContext2D.h     void clearCanvas();