Add some additional network debugging code

ash/system/chromeos/network/tray_network.cc

Index: ash/system/chromeos/network/tray_network.cc
diff --git a/ash/system/chromeos/network/tray_network.cc b/ash/system/chromeos/network/tray_network.cc
index 550717847bb94a4b517cb6039bdaf39238bf85d7..b5c8955c020be97bbf92d56e7e578414fea06dc6 100644
--- a/ash/system/chromeos/network/tray_network.cc
+++ b/ash/system/chromeos/network/tray_network.cc
@@ -131,6 +131,8 @@ class NetworkTrayView : public TrayItemView,
       network_icon::NetworkIconAnimation::GetInstance()->RemoveObserver(this);
   }
 
+  std::string GetClassName() const { return "NetworkTrayView"; }
+
   void Update(const NetworkIconInfo& info) {
     if (UseNewNetworkHandlers())
       return;