Remove OwnPtr::release() calls in core/ (part 2).

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

 /*
  * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
  * 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.
@@ skipping 204 matching lines @@
 }
 
 void CSSPreloadScanner::emitRule(const SegmentedString& source)
 {
     if (equalIgnoringCase(m_rule, "import")) {
         String url = parseCSSStringOrURL(m_ruleValue.toString());
         if (!url.isEmpty()) {
             TextPosition position = TextPosition(source.currentLine(), source.currentColumn());
             OwnPtr<PreloadRequest> request = PreloadRequest::create(FetchInitiatorTypeNames::css, position, url, *m_predictedBaseElementURL, Resource::CSSStyleSheet, m_referrerPolicy);
             // FIXME: Should this be including the charset in the preload request?
-            m_requests->append(request.release());
+            m_requests->append(std::move(request));
         }
         m_state = Initial;
     } else if (equalIgnoringCase(m_rule, "charset"))
         m_state = Initial;
     else
         m_state = DoneParsingImportRules;
     m_rule.clear();
     m_ruleValue.clear();
 }
 
 } // namespace blink