Replaced RefPtr::release with std::move in Source/core.

third_party/WebKit/Source/core/css/resolver/StyleResolverState.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 62 matching lines @@
     return m_elementContext.distributedToInsertionPoint();
   }
 
   const ElementResolveContext& elementContext() const {
     return m_elementContext;
   }
 
   void setStyle(PassRefPtr<ComputedStyle>);
   const ComputedStyle* style() const { return m_style.get(); }
   ComputedStyle* style() { return m_style.get(); }
-  PassRefPtr<ComputedStyle> takeStyle() { return m_style.release(); }
+  PassRefPtr<ComputedStyle> takeStyle() { return std::move(m_style); }
 
   ComputedStyle& mutableStyleRef() const { return *m_style; }
   const ComputedStyle& styleRef() const { return mutableStyleRef(); }
 
   const CSSToLengthConversionData& cssToLengthConversionData() const {
     return m_cssToLengthConversionData;
   }
   CSSToLengthConversionData fontSizeConversionData() const;
 
   void setConversionFontSizes(
@@ skipping 142 matching lines @@
 
   mutable HeapHashMap<
       Member<const CSSPendingSubstitutionValue>,
       Member<HeapHashMap<CSSPropertyID, Member<const CSSValue>>>>
       m_parsedPropertiesForPendingSubstitutionCache;
 };
 
 }  // namespace blink
 
 #endif  // StyleResolverState_h