doc: add missing documentation for PerformanceObserver.prototype.takeRecords()
#66404
| Job | Run time |
|---|---|
| 42s | |
| 1m 23s | |
| 1m 27s | |
| 3m 16s | |
| 44s | |
| 43s | |
| 2m 54s | |
| 24s | |
| 30s | |
| 26s | |
| 12m 29s |