Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/bindings/core/v8/V8HiddenValue.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8HiddenValue_h
 #define V8HiddenValue_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptPromiseProperties.h"
 #include "core/CoreExport.h"
 #include "wtf/Allocator.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
+#include "wtf/PassOwnPtr.h"
 #include <v8.h>
 
 namespace blink {
 
 class ScriptState;
 class ScriptWrappable;
 
 #define V8_HIDDEN_VALUES(V) \
     V(customElementAttachedCallback) \
     V(customElementAttributeChangedCallback) \
@@ skipping 31 matching lines @@
     V(webglQueries) \
     V(webglSamplers) \
     V(webglShaders) \
     SCRIPT_PROMISE_PROPERTIES(V, Promise)  \
     SCRIPT_PROMISE_PROPERTIES(V, Resolver)
 
 class CORE_EXPORT V8HiddenValue {
     USING_FAST_MALLOC(V8HiddenValue);
     WTF_MAKE_NONCOPYABLE(V8HiddenValue);
 public:
-    static std::unique_ptr<V8HiddenValue> create() { return wrapUnique(new V8HiddenValue()); }
+    static PassOwnPtr<V8HiddenValue> create() { return adoptPtr(new V8HiddenValue()); }
 
 #define V8_DECLARE_METHOD(name) static v8::Local<v8::String> name(v8::Isolate* isolate);
     V8_HIDDEN_VALUES(V8_DECLARE_METHOD);
 #undef V8_DECLARE_METHOD
 
     static v8::Local<v8::Value> getHiddenValue(ScriptState*, v8::Local<v8::Object>, v8::Local<v8::String>);
     static bool setHiddenValue(ScriptState*, v8::Local<v8::Object>, v8::Local<v8::String>, v8::Local<v8::Value>);
     static bool deleteHiddenValue(ScriptState*, v8::Local<v8::Object>, v8::Local<v8::String>);
     static v8::Local<v8::Value> getHiddenValueFromMainWorldWrapper(ScriptState*, ScriptWrappable*, v8::Local<v8::String>);
 
 private:
     V8HiddenValue() { }
 
 #define V8_DECLARE_FIELD(name) ScopedPersistent<v8::String> m_##name;
     V8_HIDDEN_VALUES(V8_DECLARE_FIELD);
 #undef V8_DECLARE_FIELD
 };
 
 } // namespace blink
 
 #endif // V8HiddenValue_h