Re-write many calls to WrapUnique() with MakeUnique()

extensions/browser/value_store/legacy_value_store_factory.cc

Index: extensions/browser/value_store/legacy_value_store_factory.cc
diff --git a/extensions/browser/value_store/legacy_value_store_factory.cc b/extensions/browser/value_store/legacy_value_store_factory.cc
index e183af257a5d07d68f609f3089a1994dad42ef46..3bede532d4882123968d5dc7ab5460634b4970ce 100644
--- a/extensions/browser/value_store/legacy_value_store_factory.cc
+++ b/extensions/browser/value_store/legacy_value_store_factory.cc
@@ -168,13 +168,13 @@ bool LegacyValueStoreFactory::StateDBExists() const {
 }
 
 std::unique_ptr<ValueStore> LegacyValueStoreFactory::CreateRulesStore() {
-  return base::WrapUnique(
-      new LeveldbValueStore(kRulesDatabaseUMAClientName, GetRulesDBPath()));
+  return base::MakeUnique<LeveldbValueStore>(kRulesDatabaseUMAClientName,
+                                             GetRulesDBPath());
 }
 
 std::unique_ptr<ValueStore> LegacyValueStoreFactory::CreateStateStore() {
-  return base::WrapUnique(
-      new LeveldbValueStore(kStateDatabaseUMAClientName, GetStateDBPath()));
+  return base::MakeUnique<LeveldbValueStore>(kStateDatabaseUMAClientName,
+                                             GetStateDBPath());
 }
 
 std::unique_ptr<ValueStore> LegacyValueStoreFactory::CreateSettingsStore(
@@ -184,8 +184,8 @@ std::unique_ptr<ValueStore> LegacyValueStoreFactory::CreateSettingsStore(
   const ModelSettings* settings_root =
       GetSettingsRoot(settings_namespace).GetModel(model_type);
   DCHECK(settings_root != nullptr);
-  return base::WrapUnique(new LeveldbValueStore(
-      kSettingsDatabaseUMAClientName, settings_root->GetDBPath(extension_id)));
+  return base::MakeUnique<LeveldbValueStore>(
+      kSettingsDatabaseUMAClientName, settings_root->GetDBPath(extension_id));
 }
 
 void LegacyValueStoreFactory::DeleteSettings(