Make feedback failure notification non sticky

chrome/browser/chromeos/network_message_observer.cc

 // Copyright (c) 2010 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/chromeos/network_message_observer.h"
 
 #include "app/l10n_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
@@ skipping 100 matching lines @@
     cellular_networks_[cellular.service_path()] = cellular;
   }
 
   // Show notification if necessary.
   if (!new_failed_network.empty()) {
     // Hide if already shown to force show it in case user has closed it.
     if (notification_.visible())
       notification_.Hide();
     notification_.Show(l10n_util::GetStringFUTF16(
         IDS_NETWORK_CONNECTION_ERROR_MESSAGE,
-        ASCIIToUTF16(new_failed_network)), false);
+        ASCIIToUTF16(new_failed_network)), false, true);
   }
 
   // Show login box if necessary.
   if (view && initialized_)
     CreateModalPopup(view);
 }
 
 }  // namespace chromeos