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

chrome/browser/chromeos/certificate_provider/thread_safe_certificate_map.cc

 // Copyright 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 "chrome/browser/chromeos/certificate_provider/thread_safe_certificate_map.h"
 
 #include "base/memory/ptr_util.h"
 #include "net/base/hash_value.h"
 #include "net/cert/x509_certificate.h"
 
 namespace chromeos {
 namespace certificate_provider {
 namespace {
 
 void BuildFingerprintsMap(
     const std::map<std::string, certificate_provider::CertificateInfoList>&
         extension_to_certificates,
     ThreadSafeCertificateMap::FingerprintToCertAndExtensionMap*
         fingerprint_to_cert) {
   for (const auto& entry : extension_to_certificates) {
     const std::string& extension_id = entry.first;
     for (const CertificateInfo& cert_info : entry.second) {
       const net::SHA256HashValue fingerprint =
           net::X509Certificate::CalculateFingerprint256(
               cert_info.certificate->os_cert_handle());
       fingerprint_to_cert->insert(std::make_pair(
-          fingerprint, base::WrapUnique(new ThreadSafeCertificateMap::MapValue(
-                           cert_info, extension_id))));
+          fingerprint, base::MakeUnique<ThreadSafeCertificateMap::MapValue>(
+                           cert_info, extension_id)));
     }
   }
 }
 
 }  // namespace
 
 ThreadSafeCertificateMap::MapValue::MapValue(const CertificateInfo& cert_info,
                                              const std::string& extension_id)
     : cert_info(cert_info), extension_id(extension_id) {}
 
@@ skipping 50 matching lines @@
     MapValue* const value = entry.second.get();
     // Only remove the association of the fingerprint to the extension, but keep
     // the fingerprint.
     if (value && value->extension_id == extension_id)
       fingerprint_to_cert_and_extension_[entry.first] = nullptr;
   }
 }
 
 }  // namespace certificate_provider
 }  // namespace chromeos