1. @DomName('Performance.clearFrameTimings')
  2. @DocsEditable()
  3. @Experimental()
void clearFrameTimings()

Source 

@DomName('Performance.clearFrameTimings')
@DocsEditable()
@Experimental() // untriaged
void clearFrameTimings() =>
    _blink.BlinkPerformance.instance.clearFrameTimings_Callback_0_(this);