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

chrome/browser/chromeos/policy/system_log_uploader.cc

 // Copyright (c) 2015 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 <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/chromeos/logging.h"
 #include "base/command_line.h"
@@ skipping 249 matching lines @@
 
   GURL upload_url(GetUploadUrl());
   DCHECK(upload_url.is_valid());
   upload_job_ = syslog_delegate_->CreateUploadJob(upload_url, this);
 
   // Start a system log upload.
   int file_number = 1;
   for (const auto& syslog_entry : *system_logs) {
     std::map<std::string, std::string> header_fields;
     std::unique_ptr<std::string> data =
-        base::WrapUnique(new std::string(syslog_entry.second));
+        base::MakeUnique<std::string>(syslog_entry.second);
     header_fields.insert(std::make_pair(kFileTypeHeaderName, kFileTypeLogFile));
     header_fields.insert(std::make_pair(net::HttpRequestHeaders::kContentType,
                                         kContentTypePlainText));
     upload_job_->AddDataSegment(
         base::StringPrintf(kNameFieldTemplate, file_number), syslog_entry.first,
         header_fields, std::move(data));
     ++file_number;
   }
   upload_job_->Start();
 }
@@ skipping 20 matching lines @@
       base::TimeDelta());
   // Ensure that we never have more than one pending delayed task.
   weak_factory_.InvalidateWeakPtrs();
   task_runner_->PostDelayedTask(FROM_HERE,
                                 base::Bind(&SystemLogUploader::StartLogUpload,
                                            weak_factory_.GetWeakPtr()),
                                 delay);
 }
 
 }  // namespace policy