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

third_party/WebKit/Source/core/layout/LayoutScrollbar.cpp

 /*
  * Copyright (C) 2008, 2009 Apple 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 284 matching lines @@
     setNeedsPaintInvalidation(partType);
   } else if (partLayoutObject && !needLayoutObject) {
     m_parts.remove(partType);
     partLayoutObject->destroy();
     partLayoutObject = nullptr;
     if (!destroy)
       setNeedsPaintInvalidation(partType);
   }
 
   if (partLayoutObject)
-    partLayoutObject->setStyleWithWritingModeOfParent(partStyle.release());
+    partLayoutObject->setStyleWithWritingModeOfParent(std::move(partStyle));
 }
 
 IntRect LayoutScrollbar::buttonRect(ScrollbarPart partType) const {
   LayoutScrollbarPart* partLayoutObject = m_parts.get(partType);
   if (!partLayoutObject)
     return IntRect();
 
   partLayoutObject->layout();
 
   bool isHorizontal = orientation() == HorizontalScrollbar;
@@ skipping 90 matching lines @@
 }
 
 void LayoutScrollbar::invalidateDisplayItemClientsOfScrollbarParts() {
   for (auto& part : m_parts)
     ObjectPaintInvalidator(*part.value)
         .invalidateDisplayItemClientsIncludingNonCompositingDescendants(
             PaintInvalidationScroll);
 }
 
 }  // namespace blink