--- a/dom/plugins/ipc/FunctionBroker.h
+++ b/dom/plugins/ipc/FunctionBroker.h
@@ -1298,17 +1298,17 @@ protected:
     return aFunction(aParams...);
   };
 
   bool BrokerCallServer(base::ProcessId aClientId, const IpdlTuple &aInTuple,
                         IpdlTuple *aOutTuple, ParamTypes&... aParams) const;
 
   template<size_t... Indices>
   bool BrokerCallServer(base::ProcessId aClientId, const IpdlTuple &aInTuple,
-                         IpdlTuple *aOutTuple, IndexSequence<Indices...>) const
+                         IpdlTuple *aOutTuple, std::index_sequence<Indices...>) const
   {
     TupleParamTypes paramTuple;
     return BrokerCallServer(aClientId, aInTuple, aOutTuple,
                              Get<Indices>(paramTuple)...);
   }
 };
 
 template <FunctionHookId functionId, typename ResultType, typename ... ParamTypes>