GitLab

This CL moves all functions related to figuring out user's country code
from component/search_engines/ to a stand-alone component, so that they
can be reused by other features that also want to know the user's country
code.

Bug: 894499
Change-Id: I1a79a4db6a5a8abcc32101db3fb7dce8013a1f16
Reviewed-on: https://chromium-review.googlesource.com/c/1334859Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Scott Chen <scottchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609788}