Add PerformanceObserver (#120)

jonkeller · sindresorhus · commit 308f142b7561 · 2017-10-29T21:27:51.000+07:00
diff --git a/globals.json b/globals.json
@@ -492,6 +492,7 @@
 		"PerformanceMeasure": false,
 		"PerformanceNavigation": false,
 		"PerformanceResourceTiming": false,
+		"PerformanceObserver": false,
 		"PerformanceTiming": false,
 		"PeriodicWave": false,
 		"Permissions": false,
