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

net/base/network_config_watcher_mac.cc

Index: net/base/network_config_watcher_mac.cc
diff --git a/net/base/network_config_watcher_mac.cc b/net/base/network_config_watcher_mac.cc
index 24eaee9015f3cd10303ce130920a63f14623bc02..b4da07ddba914a8465deeebea691a6e5f1f076c1 100644
--- a/net/base/network_config_watcher_mac.cc
+++ b/net/base/network_config_watcher_mac.cc
@@ -62,15 +62,11 @@ NetworkConfigWatcherMacThread::~NetworkConfigWatcherMacThread() {
   // Allow IO because Stop() calls PlatformThread::Join(), which is a blocking
   // operation. This is expected during shutdown.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
-

[pauljensen, 2017/05/31 14:52:38]

needless whitespace change

[jkarlin, 2017/05/31 15:11:55]

Done.

   Stop();
 }
 
 void NetworkConfigWatcherMacThread::Init() {
-  // Disallow IO to make sure NetworkConfigWatcherMacThread's helper thread does
-  // not perform blocking operations.
-  base::ThreadRestrictions::SetIOAllowed(false);
-
+  base::ThreadRestrictions::SetIOAllowed(true);
   delegate_->Init();
 
   // TODO(willchan): Look to see if there's a better signal for when it's ok to