Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

chromeos/network/onc/onc_validator.cc

 // 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.
 
 #include "chromeos/network/onc/onc_validator.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 240 matching lines @@
 
   if (!managed_onc_) {
     error_or_warning_found_ = true;
     LOG(WARNING) << MessageHeader() << "Found the field '"
                  << ::onc::kRecommended
                  << "' in an unmanaged ONC. Removing it.";
     return true;
   }
 
   std::unique_ptr<base::ListValue> repaired_recommended(new base::ListValue);
-  for (const base::Value* entry : *recommended_list) {
+  for (const auto& entry : *recommended_list) {
     std::string field_name;
     if (!entry->GetAsString(&field_name)) {
       NOTREACHED();  // The types of field values are already verified.
       continue;
     }
 
     const OncFieldSignature* field_signature =
         GetFieldSignature(object_signature, field_name);
 
     bool found_error = false;
@@ skipping 139 matching lines @@
   return true;
 }
 
 bool Validator::ListFieldContainsValidValues(
     const base::DictionaryValue& object,
     const std::string& field_name,
     const std::vector<const char*>& valid_values) {
   const base::ListValue* list = NULL;
   if (object.GetListWithoutPathExpansion(field_name, &list)) {
     path_.push_back(field_name);
-    for (const base::Value* entry : *list) {
+    for (const auto& entry : *list) {
       std::string value;
       if (!entry->GetAsString(&value)) {
         NOTREACHED();  // The types of field values are already verified.
         continue;
       }
       if (!IsValidValue(value, valid_values)) {
         path_.pop_back();
         return false;
       }
     }
@@ skipping 601 matching lines @@
 }
 
 std::string Validator::MessageHeader() {
   std::string path = path_.empty() ? "toplevel" : base::JoinString(path_, ".");
   std::string message = "At " + path + ": ";
   return message;
 }
 
 }  // namespace onc
 }  // namespace chromeos