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

components/policy/core/common/policy_test_utils.h

 // 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.
 
 #ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_TEST_UTILS_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_TEST_UTILS_H_
 
 #include <map>
 #include <ostream>
 #include <string>
@@ skipping 34 matching lines @@
 };
 
 // Returns true if |service| is not serving any policies. Otherwise logs the
 // current policies and returns false.
 bool PolicyServiceIsEmpty(const PolicyService* service);
 
 #if defined(OS_IOS) || defined(OS_MACOSX)
 
 // Converts a base::Value to the equivalent CFPropertyListRef.
 // The returned value is owned by the caller.
-CFPropertyListRef ValueToProperty(const base::Value* value);
+CFPropertyListRef ValueToProperty(const base::Value& value);
 
 #endif
 
 }  // namespace policy
 
 std::ostream& operator<<(std::ostream& os, const policy::PolicyBundle& bundle);
 std::ostream& operator<<(std::ostream& os, policy::PolicyScope scope);
 std::ostream& operator<<(std::ostream& os, policy::PolicyLevel level);
 std::ostream& operator<<(std::ostream& os, policy::PolicyDomain domain);
 std::ostream& operator<<(std::ostream& os, const policy::PolicyMap& policies);
 std::ostream& operator<<(std::ostream& os, const policy::PolicyMap::Entry& e);
 std::ostream& operator<<(std::ostream& os, const policy::PolicyNamespace& ns);
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_TEST_UTILS_H_