Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.cc

 // Copyright 2013 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/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
@@ skipping 89 matching lines @@
 void SyncFileSystemInternalsHandler::OnLogRecorded(
     const sync_file_system::TaskLogger::TaskLog& task_log) {
   base::DictionaryValue dict;
   int64_t duration = (task_log.end_time - task_log.start_time).InMilliseconds();
   dict.SetInteger("duration", duration);
   dict.SetString("task_description", task_log.task_description);
   dict.SetString("result_description", task_log.result_description);
 
   std::unique_ptr<base::ListValue> details(new base::ListValue);
   details->AppendStrings(task_log.details);
-  dict.Set("details", details.release());
+  dict.Set("details", std::move(details));
   web_ui()->CallJavascriptFunctionUnsafe("TaskLog.onTaskLogRecorded", dict);
 }
 
 void SyncFileSystemInternalsHandler::GetServiceStatus(
     const base::ListValue* args) {
   SyncServiceState state_enum = sync_file_system::SYNC_SERVICE_DISABLED;
   sync_file_system::SyncFileSystemService* sync_service =
       SyncFileSystemServiceFactory::GetForProfile(profile_);
   if (sync_service)
     state_enum = sync_service->GetSyncServiceState();
@@ skipping 64 matching lines @@
   DCHECK(sync_service->task_logger());
   const sync_file_system::TaskLogger::LogList& log =
       sync_service->task_logger()->GetLog();
 
   for (sync_file_system::TaskLogger::LogList::const_iterator itr = log.begin();
        itr != log.end(); ++itr)
     OnLogRecorded(**itr);
 }
 
 }  // namespace syncfs_internals