Discard           529 Source/core/html/canvas/WebGLRenderingContextBase.cpp     DrawingBuffer::PreserveDrawingBuffer preserve = requestedAttributes->preserveDrawingBuffer() ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
Discard          5381 Source/core/html/canvas/WebGLRenderingContextBase.cpp         DrawingBuffer::PreserveDrawingBuffer preserve = m_requestedAttributes->preserveDrawingBuffer() ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
Discard           201 Source/platform/graphics/gpu/DrawingBuffer.cpp     if (m_preserveDrawingBuffer == Discard) {