Adds bluetooth connection type to NetworkChangeNotifier.

content/renderer/net_info_helper.cc

Index: content/renderer/net_info_helper.cc
diff --git a/content/renderer/net_info_helper.cc b/content/renderer/net_info_helper.cc
index 8e0d651f799612e7daacae3a7f69b8d338d09964..a833368ba7a320fca588d771307dffe03c3bfc23 100644
--- a/content/renderer/net_info_helper.cc
+++ b/content/renderer/net_info_helper.cc
@@ -22,6 +22,8 @@ NetConnectionTypeToWebConnectionType(
     case net::NetworkChangeNotifier::CONNECTION_3G:
     case net::NetworkChangeNotifier::CONNECTION_4G:
       return blink::ConnectionTypeCellular;
+    case net::NetworkChangeNotifier::CONNECTION_BLUETOOTH:
+      return blink::ConnectionTypeBluetooth;
   }
 
   NOTREACHED();