unwindStateStack  119 Source/core/html/canvas/CanvasRenderingContext2D.cpp     unwindStateStack();
unwindStateStack  218 Source/core/html/canvas/CanvasRenderingContext2D.cpp     unwindStateStack();
unwindStateStack  303 Source/core/html/canvas/CanvasRenderingContext2D.h     void unwindStateStack();