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

chrome/browser/chromeos/file_system_provider/provided_file_system_unittest.cc

 // Copyright 2014 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/file_system_provider/provided_file_system.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 80 matching lines @@
       using extensions::api::file_system_provider_internal::
           OperationRequestedSuccess::Params;
       std::unique_ptr<Params> params(Params::Create(value_as_list));
       ASSERT_TRUE(params.get());
       file_system_->GetRequestManager()->FulfillRequest(
           request_id,
           RequestValue::CreateForOperationSuccess(std::move(params)),
           false /* has_more */);
     } else {
       file_system_->GetRequestManager()->RejectRequest(
-          request_id, base::WrapUnique(new RequestValue()), reply_result_);
+          request_id, base::MakeUnique<RequestValue>(), reply_result_);
     }
   }
 
   void set_reply_result(base::File::Error result) { reply_result_ = result; }
 
  private:
   ProvidedFileSystemInterface* const file_system_;  // Not owned.
   base::File::Error reply_result_;
   DISALLOW_COPY_AND_ASSIGN(FakeEventRouter);
 };
@@ skipping 804 matching lines @@
 
   ASSERT_EQ(1u, close_log.size());
   EXPECT_EQ(base::File::FILE_ERROR_NOT_FOUND, close_log[0]);
   EXPECT_EQ(0u, opened_files.size());
 
   provided_file_system_->RemoveObserver(&observer);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos