Remove OwnPtr::release() calls in core/ (part 4).

third_party/WebKit/Source/core/style/ContentData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 136 matching lines @@
 
 private:
     CounterContentData(PassOwnPtr<CounterContent> counter)
         : m_counter(std::move(counter))
     {
     }
 
     ContentData* cloneInternal() const override
     {
         OwnPtr<CounterContent> counterData = adoptPtr(new CounterContent(*counter()));
-        return create(counterData.release());
+        return create(std::move(counterData));
     }
 
     bool equals(const ContentData& data) const override
     {
         if (!data.isCounter())
             return false;
         return *static_cast<const CounterContentData&>(data).counter() == *counter();
     }
 
     OwnPtr<CounterContent> m_counter;
@@ skipping 36 matching lines @@
 }
 
 inline bool operator!=(const ContentData& a, const ContentData& b)
 {
     return !(a == b);
 }
 
 } // namespace blink
 
 #endif // ContentData_h