Copies part of the Chromium's i18n_behavior to our code since Chromium moved it to ash only. Chromium change: https://chromium.googlesource.com/chromium/src/+/bec59de80022eb3b8ba0143a57152ca33a16d5ba commit bec59de80022eb3b8ba0143a57152ca33a16d5ba Author: Rebekah Potter <rbpotter@chromium.org> Date: Wed Oct 12 23:15:35 2022 +0000 WebUI: Move Ash-only behaviors to ash/ Specifically moving: i18n_behavior cr_container_shadow_behavior cr_policy_indicator_behavior cr_scrollable_behavior web_ui_listener_behavior Bug: 1347740