The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5780bb0e949db479fd386c5ad175074e23c12356

commit 5780bb0e949db479fd386c5ad175074e23c12356
Author: jkarlin <jkarlin@chromium.org>
Date: Wed May 31 16:39:49 2017

[NetworkChangeNotifier] Return more specific network connection types (ethernet/wifi) on OSX

BUG=725485, 112937 

Review-Url: https://codereview.chromium.org/2896203003
Cr-Commit-Position: refs/heads/master@{#475940}

[modify] https://crrev.com/5780bb0e949db479fd386c5ad175074e23c12356/net/base/network_change_notifier.cc
[modify] https://crrev.com/5780bb0e949db479fd386c5ad175074e23c12356/net/base/network_change_notifier_mac.cc
[modify] https://crrev.com/5780bb0e949db479fd386c5ad175074e23c12356/net/base/network_change_notifier_mac.h
[modify] https://crrev.com/5780bb0e949db479fd386c5ad175074e23c12356/net/base/network_change_notifier_unittest.cc
[modify] https://crrev.com/5780bb0e949db479fd386c5ad175074e23c12356/net/base/network_config_watcher_mac.cc

Is this fixed? 

Unfortunately not. It's implemented on all desktop platforms but failed to launch (people wanted to revisit the API during the launch process) and I don't have cycles for that at the moment.