Remove OwnPtr from Blink.

third_party/WebKit/Source/bindings/core/v8/V0CustomElementBinding.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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef V0CustomElementBinding_h
 #define V0CustomElementBinding_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "wtf/Allocator.h"
-#include "wtf/PassOwnPtr.h"
+#include <memory>
 #include <v8.h>
 
 namespace blink {
 
 class V0CustomElementBinding {
     USING_FAST_MALLOC(V0CustomElementBinding);
 public:
-    static PassOwnPtr<V0CustomElementBinding> create(v8::Isolate*, v8::Local<v8::Object> prototype);
+    static std::unique_ptr<V0CustomElementBinding> create(v8::Isolate*, v8::Local<v8::Object> prototype);
     ~V0CustomElementBinding();
 
 private:
     V0CustomElementBinding(v8::Isolate*, v8::Local<v8::Object> prototype);
     ScopedPersistent<v8::Object> m_prototype;
 };
 
 } // namespace blink
 
 #endif // V0CustomElementBinding_h