createImageData  1825 Source/core/html/canvas/CanvasRenderingContext2D.cpp PassRefPtrWillBeRawPtr<ImageData> CanvasRenderingContext2D::createImageData(PassRefPtrWillBeRawPtr<ImageData> imageData, ExceptionState& exceptionState) const
createImageData  1835 Source/core/html/canvas/CanvasRenderingContext2D.cpp PassRefPtrWillBeRawPtr<ImageData> CanvasRenderingContext2D::createImageData(float sw, float sh, ExceptionState& exceptionState) const