Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/webdatabase/SQLTransaction.h

 /*
  * Copyright (C) 2007, 2013 Apple 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 17 matching lines @@
 
 #ifndef SQLTransaction_h
 #define SQLTransaction_h
 
 #include "bindings/core/v8/Nullable.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/modules/v8/V8BindingForModules.h"
 #include "modules/webdatabase/SQLStatement.h"
 #include "modules/webdatabase/SQLTransactionStateMachine.h"
 #include "platform/heap/Handle.h"
+#include <memory>
 
 namespace blink {
 
 class Database;
 class ExceptionState;
 class SQLErrorData;
 class SQLStatementCallback;
 class SQLStatementErrorCallback;
 class SQLTransactionBackend;
 class SQLTransactionCallback;
@@ skipping 55 matching lines @@
 
     SQLTransactionState nextStateForTransactionError();
 
     Member<Database> m_database;
     Member<SQLTransactionBackend> m_backend;
     Member<SQLTransactionCallback> m_callback;
     Member<VoidCallback> m_successCallback;
     Member<SQLTransactionErrorCallback> m_errorCallback;
 
     bool m_executeSqlAllowed;
-    OwnPtr<SQLErrorData> m_transactionError;
+    std::unique_ptr<SQLErrorData> m_transactionError;
 
     bool m_readOnly;
 };
 
 } // namespace blink
 
 #endif // SQLTransaction_h