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

chrome/browser/chromeos/policy/login_profile_policy_provider.cc

Index: chrome/browser/chromeos/policy/login_profile_policy_provider.cc
diff --git a/chrome/browser/chromeos/policy/login_profile_policy_provider.cc b/chrome/browser/chromeos/policy/login_profile_policy_provider.cc
index 2b802d01b720e527276b522543b33e9422314403..b37524ebbf343fcce6817076abed6d86c0ff176e 100644
--- a/chrome/browser/chromeos/policy/login_profile_policy_provider.cc
+++ b/chrome/browser/chromeos/policy/login_profile_policy_provider.cc
@@ -62,12 +62,9 @@ void ApplyDevicePolicyAsRecommendedPolicy(const std::string& device_policy,
                                           PolicyMap* user_policy_map) {
   const base::Value* value = device_policy_map.GetValue(device_policy);
   if (value) {
-    user_policy_map->Set(user_policy,
-                         POLICY_LEVEL_RECOMMENDED,
-                         POLICY_SCOPE_USER,
-                         POLICY_SOURCE_CLOUD,
-                         value->DeepCopy(),
-                         NULL);
+    user_policy_map->Set(user_policy, POLICY_LEVEL_RECOMMENDED,
+                         POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
+                         value->CreateDeepCopy(), nullptr);
   }
 }
 
@@ -77,12 +74,8 @@ void ApplyValueAsMandatoryPolicy(const base::Value* value,
                                  const std::string& user_policy,
                                  PolicyMap* user_policy_map) {
   if (value) {
-    user_policy_map->Set(user_policy,
-                         POLICY_LEVEL_MANDATORY,
-                         POLICY_SCOPE_USER,
-                         POLICY_SOURCE_CLOUD,
-                         value->DeepCopy(),
-                         NULL);
+    user_policy_map->Set(user_policy, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
+                         POLICY_SOURCE_CLOUD, value->CreateDeepCopy(), nullptr);
   }
 }