merge_pr_45766

[PEPC] Disable focusing via script

The PEPC element should not be able to focused via the focus()
function since it can be abused for obtaining unintentional clicks by
focusing the element at unexpected times.

Change-Id: I1fe10d3315120f03accfc99b518bef971ecd2947
Fixed: 335834885
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5463501
Reviewed-by: Mason Freed masonf@chromium.org
Reviewed-by: Aaron Leventhal aleventhal@chromium.org
Commit-Queue: Andy Paicu andypaicu@chromium.org
Reviewed-by: Thomas Nguyen tungnh@chromium.org
Cr-Commit-Position: refs/heads/main@{#1298585}