setPreserveDrawingBuffer   80 Source/bindings/v8/custom/V8HTMLCanvasElementCustom.cpp                 webGLAttributes->setPreserveDrawingBuffer(jsAttributes->Get(preserveDrawingBuffer)->BooleanValue());
setPreserveDrawingBuffer   74 Source/core/html/canvas/WebGLContextAttributes.h     void setPreserveDrawingBuffer(bool);