Update WPT focus-navigation forward logic
Previous patch changed navigateFocusForward() in focus-utils.js
to send keyboard event on the document.documentElement.
This change was not interoperable [1]. We update to send the keyboard
event on the document.body (previous behavior).
[1] #45772 (comment)
Change-Id: Ib8005bafecb8a5048953d352a66f2d7ba6c8e467
Fixed: 339098898, 40542192
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5522361
Reviewed-by: Joey Arhar jarhar@chromium.org
Commit-Queue: Di Zhang dizhangg@chromium.org
Auto-Submit: Di Zhang dizhangg@chromium.org
Cr-Commit-Position: refs/heads/main@{#1297784}