WPT

fix: avoid extra getFrameOwner call #8405

Job	Run time
1/6 chromedriver-headless	4m 1s
2/6 chromedriver-headless	3m 25s
3/6 chromedriver-headless	3m 31s
4/6 chromedriver-headless	3m 26s
5/6 chromedriver-headless	3m 10s
6/6 chromedriver-headless	3m 12s
1/6 chromedriver-headful	4m 11s
2/6 chromedriver-headful	3m 28s
3/6 chromedriver-headful	3m 32s
4/6 chromedriver-headful	3m 29s
5/6 chromedriver-headful	3m 17s
6/6 chromedriver-headful	3m 15s
1/6 mapper-headless	5m 40s
2/6 mapper-headless	5m 42s
3/6 mapper-headless	5m 22s
4/6 mapper-headless	4m 18s
5/6 mapper-headless	3m 39s
6/6 mapper-headless	4m 33s
[Required] WPT sink	1s
WPT report	0s
Update WPT expectations (if required)	0s
Commit updated expectations	0s
	1h 11m 12s

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