1. DomName('Performance.setFrameTimingBufferSize')
  2. DocsEditable()
  3. Experimental()
void setFrameTimingBufferSize(int maxSize)

Source 

@DomName('Performance.setFrameTimingBufferSize')
@DocsEditable()
@Experimental() // untriaged
void setFrameTimingBufferSize(int maxSize) => _blink.BlinkPerformance.instance.setFrameTimingBufferSize_Callback_1_(this, maxSize);