Adding error handling to ONC validation.

chrome/browser/policy/network_configuration_updater.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 CHROME_BROWSER_POLICY_NETWORK_CONFIGURATION_UPDATER_H_
 #define CHROME_BROWSER_POLICY_NETWORK_CONFIGURATION_UPDATER_H_
 
 #include <string>
 
 #include "chrome/browser/chromeos/cros/network_constants.h"
@@ skipping 30 matching lines @@
   // device and user policy are applied as described in the class comment. This
   // function also triggers an immediate policy application of both device and
   // user policy.
   void OnUserPolicyInitialized();
 
   // Web trust isn't given to certificates imported from ONC by default. Setting
   // |allow_web_trust| to true allows giving Web trust to the certificates that
   // request it.
   void set_allow_web_trust(bool allow) { allow_web_trust_ = allow; }
 
-  // Empty network configuration blob.
-  static const char kEmptyConfiguration[];
-
  private:
   // Callback that's called by |policy_service_| if the respective ONC policy
   // changed.
   void OnPolicyChanged(chromeos::NetworkUIData::ONCSource onc_source,
                        const base::Value* previous,
                        const base::Value* current);
 
   // Retrieves the ONC policies from |policy_service_| and pushes the
   // configurations to |network_library_|. Ensures that a device policy is
   // always overwritten by a user policy.
@@ skipping 18 matching lines @@
 
   // The policy service storing the ONC policies.
   PolicyService* policy_service_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationUpdater);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_NETWORK_CONFIGURATION_UPDATER_H_