This adds Cellular to the Shill to ONC translation.

chromeos/network/onc/onc_translation_tables.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_ONC_ONC_TRANSLATION_TABLES_H_
 #define CHROMEOS_NETWORK_ONC_ONC_TRANSLATION_TABLES_H_
 
+#include <string>
+
 namespace chromeos {
 namespace onc {
 
 struct StringTranslationEntry {
   const char* onc_value;
   const char* shill_value;
 };
 
 // These tables contain the mapping from ONC strings to Shill strings.
 // These are NULL-terminated arrays.
 extern const StringTranslationEntry kNetworkTypeTable[];
 extern const StringTranslationEntry kVPNTypeTable[];
 extern const StringTranslationEntry kWiFiSecurityTable[];
 extern const StringTranslationEntry kEAPOuterTable[];
 extern const StringTranslationEntry kEAP_PEAP_InnerTable[];
 extern const StringTranslationEntry kEAP_TTLS_InnerTable[];
 
+// Translate individual strings to Shill using the above tables.
+bool TranslateStringToShill(const StringTranslationEntry table[],
+                            const std::string& onc_value,
+                            std::string* shill_value);
+
+// Translate individual strings to ONC using the above tables.
+bool TranslateStringToONC(const StringTranslationEntry table[],
+                          const std::string& shill_value,
+                          std::string* onc_value);
+
 }  // namespace onc
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_ONC_ONC_TRANSLATION_TABLES_H_