Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/style/CounterDirectives.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 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 13 matching lines @@
 
 #ifndef CounterDirectives_h
 #define CounterDirectives_h
 
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/MathExtras.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/AtomicStringHash.h"
-#include <memory>
 
 namespace blink {
 
 class CounterDirectives {
     DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     CounterDirectives()
         : m_isResetSet(false)
         , m_isIncrementSet(false)
         , m_resetValue(0)
@@ skipping 55 matching lines @@
     bool m_isIncrementSet;
     int m_resetValue;
     int m_incrementValue;
 };
 
 bool operator==(const CounterDirectives&, const CounterDirectives&);
 inline bool operator!=(const CounterDirectives& a, const CounterDirectives& b) { return !(a == b); }
 
 typedef HashMap<AtomicString, CounterDirectives> CounterDirectiveMap;
 
-std::unique_ptr<CounterDirectiveMap> clone(const CounterDirectiveMap&);
+PassOwnPtr<CounterDirectiveMap> clone(const CounterDirectiveMap&);
 
 } // namespace blink
 
 #endif // CounterDirectives_h