Don't treat Shill ClearProperty errors as failures.

chromeos/network/network_configuration_handler.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 130 matching lines @@
       const network_handler::ErrorCallback& error_callback,
       const std::string& dbus_error_name,
       const std::string& dbus_error_message);
 
   // Invoke the callback and inform NetworkStateHandler to request an update
   // for the service after clearing properties.
   void ClearPropertiesSuccessCallback(
       const std::string& service_path,
       const std::vector<std::string>& names,
       const base::Closure& callback,
-      const network_handler::ErrorCallback& error_callback,
       const base::ListValue& result);
   void ClearPropertiesErrorCallback(
       const std::string& service_path,
       const network_handler::ErrorCallback& error_callback,
       const std::string& dbus_error_name,
       const std::string& dbus_error_message);
 
   // Unowned associated NetworkStateHandler* (global or test instance).
   NetworkStateHandler* network_state_handler_;
 
   // Map of in-progress deleter instances. Owned by this class.
   std::map<std::string, ProfileEntryDeleter*> profile_entry_deleters_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_