ADD_VAR_TAKE_ONE_REFERENCE   44 ppapi/shared_impl/var_tracker.cc   return AddVarInternal(var, ADD_VAR_TAKE_ONE_REFERENCE);
ADD_VAR_TAKE_ONE_REFERENCE  148 ppapi/shared_impl/var_tracker.cc           new_id, VarInfo(var, mode == ADD_VAR_TAKE_ONE_REFERENCE ? 1 : 0)));