Track some changes to reference types (mostly Blink types moving to Oilpan).

Source/bindings/modules/dart/custom/DartSQLTransactionCustom.cpp

 // Copyright 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:
 //
 //    * 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 41 matching lines @@
 
         DartStringAdapter statement = DartUtilities::dartToString(args, 1, exception);
         if (exception)
             goto fail;
 
         Vector<SQLValue> sqlValues;
         DartUtilities::toVector(&DartUtilities::toSQLValue, Dart_GetNativeArgument(args, 2), sqlValues, exception);
         if (exception)
             goto fail;
 
-        OwnPtr<SQLStatementCallback> callback = DartSQLStatementCallback::createWithNullCheck(Dart_GetNativeArgument(args, 3), exception);
+        SQLStatementCallback* callback = DartSQLStatementCallback::createWithNullCheck(Dart_GetNativeArgument(args, 3), exception);
         if (exception)
             goto fail;
 
-        OwnPtr<SQLStatementErrorCallback> errorCallback = DartSQLStatementErrorCallback::createWithNullCheck(Dart_GetNativeArgument(args, 4), exception);
+        SQLStatementErrorCallback* errorCallback = DartSQLStatementErrorCallback::createWithNullCheck(Dart_GetNativeArgument(args, 4), exception);
         if (exception)
             goto fail;
 
         DartExceptionState es;
-        receiver->executeSQL(statement, sqlValues, callback.release(), errorCallback.release(), es);
+        receiver->executeSQL(statement, sqlValues, callback, errorCallback, es);
         if (es.hadException()) {
             exception = es.toDart(args);
             goto fail;
         }
 
         return;
     }
 
 fail:
     Dart_ThrowException(exception);
     ASSERT_NOT_REACHED();
 }
 
 }
 
 }