Add sync_wifi component OWNERS to related files in chrome/browser/sync.

Bug: 966270
Change-Id: I162d6d1d60e2c1b5f1341f41bbc89bcf09b0348f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1764186Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Jon Mann <jonmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689575}

chrome/browser/sync/OWNERS

@@ -2,5 +2,6 @@ file://components/sync/OWNERS
 
 per-file profile_sync_service_android*=nyquist@chromium.org
 per-file *web_app*=file://chrome/browser/web_applications/OWNERS
+per-file wifi_configuration*=file://chromeos/components/sync_wifi/OWNERS
 
 # COMPONENT: Services>Sync