Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/indexeddb/WebIDBDatabaseCallbacksImpl.h

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebIDBDatabaseCallbacksImpl_h
 #define WebIDBDatabaseCallbacksImpl_h
 
 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
 #include "public/platform/WebString.h"
 #include "public/platform/modules/indexeddb/WebIDBDatabaseCallbacks.h"
 #include "public/platform/modules/indexeddb/WebIDBDatabaseError.h"
-#include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
+#include <memory>
 
 namespace blink {
 
 class WebIDBDatabaseCallbacksImpl final : public WebIDBDatabaseCallbacks {
     USING_FAST_MALLOC(WebIDBDatabaseCallbacksImpl);
 public:
-    static PassOwnPtr<WebIDBDatabaseCallbacksImpl> create(IDBDatabaseCallbacks*);
+    static std::unique_ptr<WebIDBDatabaseCallbacksImpl> create(IDBDatabaseCallbacks*);
 
     ~WebIDBDatabaseCallbacksImpl() override;
 
     void onForcedClose() override;
     void onVersionChange(long long oldVersion, long long newVersion) override;
     void onAbort(long long transactionId, const WebIDBDatabaseError&) override;
     void onComplete(long long transactionId) override;
 
 private:
     explicit WebIDBDatabaseCallbacksImpl(IDBDatabaseCallbacks*);
 
     Persistent<IDBDatabaseCallbacks> m_callbacks;
 };
 
 } // namespace blink
 
 #endif // WebIDBDatabaseCallbacksImpl_h