| Test that page performance metrics are retrieved and the list is stable. | |
| DO NOT modify the list, it's exposed over public protocol. | |
| Metrics: | |
| Metrics: | |
| Documents | |
| Frames | |
| JSEventListeners | |
| JSHeapTotalSize | |
| JSHeapUsedSize | |
| LayoutCount | |
| LayoutDuration | |
| Nodes | |
| RecalcStyleCount | |
| RecalcStyleDuration | |
| ScriptDuration | |
| TaskDuration | |
| Timestamp | |
| Metrics: | |