Not documented.
Source
@DomName('Performance.webkitClearResourceTimings')
@DocsEditable()
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.SAFARI)
@Experimental()
// http://www.w3c-test.org/webperf/specs/ResourceTiming/#extensions-performance-interface
void clearResourceTimings() => _blink.BlinkPerformance.instance.webkitClearResourceTimings_Callback_0_(unwrap_jso(this));