Show notifications for Network Config errors

chrome/browser/chromeos/options/wifi_config_view.cc

Index: chrome/browser/chromeos/options/wifi_config_view.cc
diff --git a/chrome/browser/chromeos/options/wifi_config_view.cc b/chrome/browser/chromeos/options/wifi_config_view.cc
index e04785039a23a0f79a2d7173b382973d19a67746..9827218f704ea96b482cb64d7d225ff023e0c3b7 100644
--- a/chrome/browser/chromeos/options/wifi_config_view.cc
+++ b/chrome/browser/chromeos/options/wifi_config_view.cc
@@ -356,9 +356,14 @@ WifiConfigView::WifiConfigView(NetworkConfigView* parent,
       error_label_(NULL),
       weak_ptr_factory_(this) {
   Init(show_8021x);
+  NetworkHandler::Get()->network_state_handler()->AddObserver(this, FROM_HERE);
 }
 
 WifiConfigView::~WifiConfigView() {
+  if (NetworkHandler::IsInitialized()) {
+    NetworkHandler::Get()->network_state_handler()->RemoveObserver(
+        this, FROM_HERE);
+  }
   CertLibrary::Get()->RemoveObserver(this);
 }
 
@@ -1247,6 +1252,12 @@ void WifiConfigView::InitFocus() {
     view_to_focus->RequestFocus();
 }
 
+void WifiConfigView::NetworkPropertiesUpdated(const NetworkState* network) {
+  if (network->path() != service_path_)
+    return;
+  UpdateErrorLabel();
+}
+
 // static
 void WifiConfigView::ParseWiFiUIProperty(
     NetworkPropertyUIData* property_ui_data,