1. @DomName('Performance.clearMeasures')
  2. @DocsEditable()
  3. @Experimental()
void clearMeasures(String measureName)

Source 

@DomName('Performance.clearMeasures')
@DocsEditable()
// https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/UserTiming/Overview.html#extensions-performance-interface
@Experimental()
void clearMeasures(String measureName) => _blink.BlinkPerformance.instance
    .clearMeasures_Callback_1_(this, measureName);