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

components/wifi_sync/wifi_credential.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 "components/wifi_sync/wifi_credential.h"
 
 #include "base/i18n/streaming_utf8_validator.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 32 matching lines @@
   // crbug.com/432546.
   if (!base::StreamingUtf8Validator::Validate(ssid_utf8)) {
     LOG(ERROR) << "SSID is not valid UTF-8";
     return nullptr;
   }
 
   std::string onc_security;
   if (!WifiSecurityClassToOncSecurityString(security_class(), &onc_security)) {
     NOTREACHED() << "Failed to convert SecurityClass with value "
                  << security_class();
-    return base::WrapUnique(new base::DictionaryValue());
+    return base::MakeUnique<base::DictionaryValue>();
   }
 
   std::unique_ptr<base::DictionaryValue> onc_properties(
       new base::DictionaryValue());
   onc_properties->Set(onc::toplevel_config::kType,
                       new base::StringValue(onc::network_type::kWiFi));
   // TODO(quiche): Switch to the HexSSID property, once ONC fully supports it.
   // crbug.com/432546.
   onc_properties->Set(onc::network_config::WifiProperty(onc::wifi::kSSID),
                       new base::StringValue(ssid_utf8));
@@ skipping 38 matching lines @@
 WifiCredential::WifiCredential(
     const std::vector<unsigned char>& ssid,
     WifiSecurityClass security_class,
     const std::string& passphrase)
     : ssid_(ssid),
       security_class_(security_class),
       passphrase_(passphrase) {
 }
 
 }  // namespace wifi_sync