Tether: record each type of host connection result.

chromeos/components/tether/wifi_hotspot_connector.cc

Index: chromeos/components/tether/wifi_hotspot_connector.cc
diff --git a/chromeos/components/tether/wifi_hotspot_connector.cc b/chromeos/components/tether/wifi_hotspot_connector.cc
index d67bb76b538fb58ebc75f856be87697bf25fa47b..0bfbda751cf7e255058139082c2f2daa725cc4c2 100644
--- a/chromeos/components/tether/wifi_hotspot_connector.cc
+++ b/chromeos/components/tether/wifi_hotspot_connector.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/guid.h"
 #include "base/memory/ptr_util.h"
+#include "chromeos/components/tether/host_connection_metrics_logger.h"
 #include "chromeos/network/network_connect.h"
 #include "chromeos/network/network_handler.h"
 #include "chromeos/network/network_state.h"
@@ -21,9 +22,11 @@ namespace tether {
 
 WifiHotspotConnector::WifiHotspotConnector(
     NetworkStateHandler* network_state_handler,
-    NetworkConnect* network_connect)
+    NetworkConnect* network_connect,
+    HostConnectionMetricsLogger* host_connection_metrics_logger)
     : network_state_handler_(network_state_handler),
       network_connect_(network_connect),
+      host_connection_metrics_logger_(host_connection_metrics_logger),
       timer_(base::MakeUnique<base::OneShotTimer>()),
       weak_ptr_factory_(this) {
   network_state_handler_->AddObserver(this, FROM_HERE);
@@ -62,6 +65,10 @@ void WifiHotspotConnector::ConnectToWifiHotspot(
     }
 
     InvokeWifiConnectionCallback(std::string());
+
+    host_connection_metrics_logger_->RecordConnectionToHostResult(
+        HostConnectionMetricsLogger::ConnectionToHostResult::
+            CONNECTION_RESULT_FAILURE_CLIENT_CONNECTION_CANCELED_BY_NEW_ATTEMPT);
   }
 
   ssid_ = ssid;
@@ -176,6 +183,10 @@ base::DictionaryValue WifiHotspotConnector::CreateWifiPropertyDictionary(
 
 void WifiHotspotConnector::OnConnectionTimeout() {
   InvokeWifiConnectionCallback(std::string());
+
+  host_connection_metrics_logger_->RecordConnectionToHostResult(
+      HostConnectionMetricsLogger::ConnectionToHostResult::
+          CONNECTION_RESULT_FAILURE_CLIENT_CONNECTION_TIMEOUT);
 }
 
 void WifiHotspotConnector::SetTimerForTest(std::unique_ptr<base::Timer> timer) {