Use std::unique_ptr<> for WebTaskRunner::clone

third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 94 matching lines @@
     bool reportErrors = false; // For now document fragment parsing never reports errors.
     m_tokenizer->setState(tokenizerStateForContextElement(contextElement, reportErrors, m_options));
     m_xssAuditor.initForFragment();
 }
 
 HTMLDocumentParser::HTMLDocumentParser(Document& document, ParserContentPolicy contentPolicy, ParserSynchronizationPolicy syncPolicy)
     : ScriptableDocumentParser(document, contentPolicy)
     , m_options(&document)
     , m_token(syncPolicy == ForceSynchronousParsing ? wrapUnique(new HTMLToken) : nullptr)
     , m_tokenizer(syncPolicy == ForceSynchronousParsing ? HTMLTokenizer::create(m_options) : nullptr)
-    , m_loadingTaskRunner(wrapUnique(TaskRunnerHelper::getLoadingTaskRunner(&document)->clone()))
+    , m_loadingTaskRunner(TaskRunnerHelper::getLoadingTaskRunner(&document)->clone())
     , m_parserScheduler(syncPolicy == AllowAsynchronousParsing ? HTMLParserScheduler::create(this, m_loadingTaskRunner.get()) : nullptr)
     , m_xssAuditorDelegate(&document)
     , m_weakFactory(this)
     , m_preloader(HTMLResourcePreloader::create(document))
     , m_parsedChunkQueue(ParsedChunkQueue::create())
     , m_evaluator(DocumentWriteEvaluator::create(document))
     , m_shouldUseThreading(syncPolicy == AllowAsynchronousParsing)
     , m_endWasDelayed(false)
     , m_haveBackgroundParser(false)
     , m_tasksWereSuspended(false)
@@ skipping 614 matching lines @@
 
     ASSERT(config->xssAuditor->isSafeToSendToAnotherThread());
     postTaskToLookaheadParser(
         Synchronous,
         &BackgroundHTMLParser::start,
         reference.release(),
         passed(std::move(config)),
         document()->url(),
         passed(CachedDocumentParameters::create(document())),
         MediaValuesCached::MediaValuesCachedData(*document()),
-        passed(wrapUnique(m_loadingTaskRunner->clone())));
+        passed(m_loadingTaskRunner->clone()));
 }
 
 void HTMLDocumentParser::stopBackgroundParser()
 {
     ASSERT(shouldUseThreading());
     ASSERT(m_haveBackgroundParser);
     m_haveBackgroundParser = false;
 
     // Make this sync, as lsan triggers on some unittests if the task runner is
     // used. Note that these lifetimes will be much more concrete if
@@ skipping 389 matching lines @@
         (*WTF::bind(function, std::forward<Ps>(parameters)...))();
         return;
     case Asynchronous:
         m_loadingTaskRunner->postTask(BLINK_FROM_HERE, WTF::bind(function, std::forward<Ps>(parameters)...));
         return;
     }
     NOTREACHED();
 }
 
 } // namespace blink