Convert Pass()→std::move() in //chrome

chrome/browser/supervised_user/supervised_user_site_list.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/supervised_user/supervised_user_site_list.h"
 
 #include <algorithm>
 
 #include "base/files/file_util.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 18 matching lines @@
   SCOPED_UMA_HISTOGRAM_TIMER("ManagedUsers.Whitelist.ReadDuration");
   JSONFileValueDeserializer deserializer(path);
   int error_code;
   std::string error_msg;
   scoped_ptr<base::Value> value =
       deserializer.Deserialize(&error_code, &error_msg);
   if (!value) {
     LOG(ERROR) << "Couldn't load site list " << path.value() << ": "
                << error_msg;
   }
-  return value.Pass();
+  return value;
 }
 
 }  // namespace
 
 SupervisedUserSiteList::HostnameHash::HostnameHash(
     const std::string& hostname) {
   base::SHA1HashBytes(reinterpret_cast<const unsigned char*>(hostname.c_str()),
                       hostname.size(), bytes_.data());
 }
 
@@ skipping 104 matching lines @@
 
   base::ListValue* patterns = nullptr;
   dict->GetList(kWhitelistKey, &patterns);
 
   base::ListValue* hostname_hashes = nullptr;
   dict->GetList(kHostnameHashesKey, &hostname_hashes);
 
   callback.Run(make_scoped_refptr(new SupervisedUserSiteList(
       title, GURL(entry_point_url), patterns, hostname_hashes)));
 }