Use std::unique_ptr to express ownership of base::Value in PolicyMap::Entry

components/policy/core/common/schema_map.cc

 // Copyright 2013 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 "components/policy/core/common/schema_map.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/policy_map.h"
@@ skipping 53 matching lines @@
     if (!schema->valid()) {
       // Don't serve unknown policies.
       it->second->Clear();
       continue;
     }
 
     PolicyMap* map = it->second;
     for (PolicyMap::const_iterator it_map = map->begin();
          it_map != map->end();) {
       const std::string& policy_name = it_map->first;
-      const base::Value* policy_value = it_map->second.value;
+      const base::Value* policy_value = it_map->second.value.get();
       Schema policy_schema = schema->GetProperty(policy_name);
       ++it_map;
       std::string error_path;
       std::string error;
       if (!policy_value ||
           !policy_schema.Validate(*policy_value,
                                   SCHEMA_STRICT,
                                   &error_path,
                                   &error)) {
         LOG(ERROR) << "Dropping policy " << policy_name << " for "
@@ skipping 33 matching lines @@
     for (ComponentMap::const_iterator comp = components.begin();
          comp != components.end(); ++comp) {
       PolicyNamespace ns(domain->first, comp->first);
       if (!other->GetSchema(ns))
         list->push_back(ns);
     }
   }
 }
 
 }  // namespace policy