GitLab

Support scrolling an offscreen node to be visible for screen reader use.
Clean up unused param in DeleteSubtree.

Test: AccessibilityBridgeTest.PerformScrollToMakeVisible
Bug: fuchsia:55864
Change-Id: I3ab468e1cfb3084ee7517f6cf45e8cc0e3e8da1c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2142740
Commit-Queue: Sharon Yang <yangsharon@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797083}