Adds bluetooth connection type to NetworkChangeNotifier.

chrome/browser/metrics/network_metrics_provider.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/metrics/network_metrics_provider.h"
 
 #include "base/compiler_specific.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 52 matching lines @@
     case net::NetworkChangeNotifier::CONNECTION_ETHERNET:
       return SystemProfileProto::Network::CONNECTION_ETHERNET;
     case net::NetworkChangeNotifier::CONNECTION_WIFI:
       return SystemProfileProto::Network::CONNECTION_WIFI;
     case net::NetworkChangeNotifier::CONNECTION_2G:
       return SystemProfileProto::Network::CONNECTION_2G;
     case net::NetworkChangeNotifier::CONNECTION_3G:
       return SystemProfileProto::Network::CONNECTION_3G;
     case net::NetworkChangeNotifier::CONNECTION_4G:
       return SystemProfileProto::Network::CONNECTION_4G;
+    case net::NetworkChangeNotifier::CONNECTION_BLUETOOTH:
+      return SystemProfileProto::Network::CONNECTION_BLUETOOTH;
   }
   NOTREACHED();
   return SystemProfileProto::Network::CONNECTION_UNKNOWN;
 }
 
 SystemProfileProto::Network::WifiPHYLayerProtocol
 NetworkMetricsProvider::GetWifiPHYLayerProtocol() const {
   switch (wifi_phy_layer_protocol_) {
     case net::WIFI_PHY_LAYER_PROTOCOL_NONE:
       return SystemProfileProto::Network::WIFI_PHY_LAYER_PROTOCOL_NONE;
@@ skipping 24 matching lines @@
 }
 
 void NetworkMetricsProvider::OnWifiPHYLayerProtocolResult(
     net::WifiPHYLayerProtocol mode) {
   if (wifi_phy_layer_protocol_ != net::WIFI_PHY_LAYER_PROTOCOL_UNKNOWN &&
       mode != wifi_phy_layer_protocol_) {
     wifi_phy_layer_protocol_is_ambiguous_ = true;
   }
   wifi_phy_layer_protocol_ = mode;
 }