Surface error messages from ONC parsing in about:policy.

chrome/browser/chromeos/cros/onc_network_parser.h

 // Copyright (c) 2011 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_CHROMEOS_CROS_ONC_NETWORK_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_ONC_NETWORK_PARSER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 31 matching lines @@
   // (0-based). Returns NULL if there's a parse error or if n is out of range.
   Network* ParseNetwork(int n);
 
   // Call to parse and import the nth certificate in the certificate
   // list.  Returns false on failure.
   bool ParseCertificate(int n);
 
   virtual Network* CreateNetworkFromInfo(const std::string& service_path,
       const base::DictionaryValue& info) OVERRIDE;
 
+  const std::string& parse_error() const { return parse_error_; }
+
  protected:
   OncNetworkParser();
 
   virtual Network* CreateNewNetwork(ConnectionType type,
                                     const std::string& service_path) OVERRIDE;
   virtual ConnectionType ParseType(const std::string& type) OVERRIDE;
   virtual ConnectionType ParseTypeFromDictionary(
       const base::DictionaryValue& info) OVERRIDE;
 
   // Returns the type string from the dictionary of network values.
   std::string GetTypeFromDictionary(const base::DictionaryValue& info);
 
  private:
   bool ParseServerOrCaCertificate(
     int cert_index,
     const std::string& cert_type,
     base::DictionaryValue* certificate);
   bool ParseClientCertificate(
     int cert_index,
     base::DictionaryValue* certificate);
 
+  // Error message from the JSON parser, if applicable.
+  std::string parse_error_;
+
   scoped_ptr<base::DictionaryValue> root_dict_;
   base::ListValue* network_configs_;
   base::ListValue* certificates_;
 
   DISALLOW_COPY_AND_ASSIGN(OncNetworkParser);
 };
 
 // Base for wireless networks.
 class OncWirelessNetworkParser : public OncNetworkParser {
  public:
@@ skipping 38 matching lines @@
                           const base::Value& value,
                           VirtualNetwork* network);
   ProviderType ParseProviderType(const std::string& type);
  private:
   DISALLOW_COPY_AND_ASSIGN(OncVirtualNetworkParser);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_ONC_NETWORK_PARSER_H_