[cros] Clear any error messages when there's a connected network.

chrome/browser/chromeos/login/network_screen.cc

Index: chrome/browser/chromeos/login/network_screen.cc
diff --git a/chrome/browser/chromeos/login/network_screen.cc b/chrome/browser/chromeos/login/network_screen.cc
index 9afeb593e3fb0d1318044462b2c38c330126de9b..381218117652fca97a7192f73c81e3aa8d78277f 100644
--- a/chrome/browser/chromeos/login/network_screen.cc
+++ b/chrome/browser/chromeos/login/network_screen.cc
@@ -143,7 +143,11 @@ void NetworkScreen::NotifyOnConnection() {
 
 void NetworkScreen::OnConnectionTimeout() {
   StopWaitingForConnection(network_id_);
-  if (!view()->is_dialog_open() &&
+  NetworkLibrary* network = CrosLibrary::Get()->GetNetworkLibrary();
+  bool is_connected = network && network->Connected();
+
+  if (!is_connected &&
+      !view()->is_dialog_open() &&
       !(help_app_.get() && help_app_->is_open())) {
     // Show error bubble.
     ClearErrors();
@@ -166,6 +170,9 @@ void NetworkScreen::UpdateStatus(NetworkLibrary* network) {
   if (!view() || !network)
     return;
 
+  if (network->Connected())
+    ClearErrors();
+
   if (network->ethernet_connected()) {
     StopWaitingForConnection(
         l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET));