Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/encoding/TextEncoder.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef TextEncoder_h
 #define TextEncoder_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncoding.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 namespace blink {
 
 class ExecutionContext;
 class ExceptionState;
 
 class TextEncoder final : public GarbageCollectedFinalized<TextEncoder>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static TextEncoder* create(ExecutionContext*, const String& utfLabel, ExceptionState&);
     ~TextEncoder();
 
     // Implement the IDL
     String encoding() const;
     DOMUint8Array* encode(const String&);
 
     DEFINE_INLINE_TRACE() { }
 
 private:
     TextEncoder(const WTF::TextEncoding&);
 
     WTF::TextEncoding m_encoding;
-    std::unique_ptr<WTF::TextCodec> m_codec;
+    OwnPtr<WTF::TextCodec> m_codec;
 };
 
 } // namespace blink
 
 #endif // TextEncoder_h