getPremultipliedImageData  104 Source/platform/graphics/ImageBuffer.h     PassRefPtr<Uint8ClampedArray> getPremultipliedImageData(const IntRect&) const;
getPremultipliedImageData  403 Source/platform/graphics/filters/FilterEffect.cpp             m_premultipliedImageResult = m_imageBufferResult->getPremultipliedImageData(IntRect(IntPoint(), m_absolutePaintRect.size()));