GitLab

Move feature_switch_unittest.cc to //extensions to neighbor its
source file (feature_switch.[h|cc]). It has no //chrome dependencies.

Bug: None
Change-Id: Ie98bdd50d973e168e5ab593047fd697deec53bf2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2131626Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755415}