Closes #1217: Modify erase animation (#1242)
Closes #1217: Modify erase animation (#1242)


mozilla/focus,mozilla/focus,mozilla/focus,justindarc/focus,justindarc/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus,justindarc/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus-ios,mozilla/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,justindarc/focus,justindarc/focus,mozilla-mobile/focus-ios,mozilla-mobile/focus,mozilla/focus,mozilla-mobile/focus,mozilla-mobile/focus-ios,justindarc/focus