GitLab

Extend usage of AXEventRecorder to count accessibility events in some
recently added tests.

Bug: None
Change-Id: I91824b69e772883a95de27b36deff47022f72cc3
AX-Relnotes: no user-facing changes.
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2372484Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Jacobo Aragunde Pérez <jaragunde@igalia.com>
Cr-Commit-Position: refs/heads/master@{#801405}