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

chrome/browser/chromeos/policy/user_cloud_policy_store_chromeos_unittest.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 "chrome/browser/chromeos/policy/user_cloud_policy_store_chromeos.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
@@ skipping 138 matching lines @@
         .WillOnce(SaveArg<2>(&store_callback));
     store_->Store(policy_.policy());
     RunUntilIdle();
     Mock::VerifyAndClearExpectations(&session_manager_client_);
     ASSERT_FALSE(store_callback.is_null());
 
     // The new policy shouldn't be present yet.
     PolicyMap previous_policy;
     EXPECT_EQ(previous_value != NULL, store_->policy() != NULL);
     if (previous_value) {
-      previous_policy.Set(
-          key::kHomepageLocation, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-          POLICY_SOURCE_CLOUD,
-          base::WrapUnique(new base::StringValue(previous_value)), nullptr);
+      previous_policy.Set(key::kHomepageLocation, POLICY_LEVEL_MANDATORY,
+                          POLICY_SCOPE_USER, POLICY_SOURCE_CLOUD,
+                          base::MakeUnique<base::StringValue>(previous_value),
+                          nullptr);
     }
     EXPECT_TRUE(previous_policy.Equals(store_->policy_map()));
     EXPECT_EQ(CloudPolicyStore::STATUS_OK, store_->status());
 
     // Store the new public key so that the validation after the retrieve
     // operation completes can verify the signature.
     if (new_public_key)
       StoreUserPolicyKey(*new_public_key);
 
     // Let the store operation complete.
@@ skipping 493 matching lines @@
   Mock::VerifyAndClearExpectations(&cryptohome_client_);
 
   EXPECT_FALSE(store_->policy());
   EXPECT_TRUE(store_->policy_map().empty());
   EXPECT_EQ(CloudPolicyStore::STATUS_VALIDATION_ERROR, store_->status());
 }
 
 }  // namespace
 
 }  // namespace policy