copyRenderingResultsFromDrawingBuffer  852 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (!(canvas()->buffer())->copyRenderingResultsFromDrawingBuffer(m_drawingBuffer.get())) {
copyRenderingResultsFromDrawingBuffer  121 Source/platform/graphics/ImageBuffer.h     bool copyRenderingResultsFromDrawingBuffer(DrawingBuffer*);