tryRestoreContextEvent 97 Source/core/html/canvas/CanvasRenderingContext2D.cpp , m_tryRestoreContextEventTimer(this, &CanvasRenderingContext2D::tryRestoreContextEvent) tryRestoreContextEvent 295 Source/core/html/canvas/CanvasRenderingContext2D.h void tryRestoreContextEvent(Timer<CanvasRenderingContext2D>*);