[turbofan] Move SimplifiedOperatorBuilder into JSGraph.

test/cctest/compiler/test-machine-operator-reducer.cc

Index: test/cctest/compiler/test-machine-operator-reducer.cc
diff --git a/test/cctest/compiler/test-machine-operator-reducer.cc b/test/cctest/compiler/test-machine-operator-reducer.cc
index c02e7e5751b3037e88a3d95ea98c40d69b5fad53..a854bf0f3b8662157aaeb92b9f48074a92865678 100644
--- a/test/cctest/compiler/test-machine-operator-reducer.cc
+++ b/test/cctest/compiler/test-machine-operator-reducer.cc
@@ -61,7 +61,7 @@ class ReducerTester : public HandleAndZoneScope {
         graph(main_zone()),
         javascript(main_zone()),
         typer(isolate, &graph),
-        jsgraph(isolate, &graph, &common, &javascript, &machine),
+        jsgraph(isolate, &graph, &common, &javascript, nullptr, &machine),
         maxuint32(Constant<int32_t>(kMaxUInt32)) {
     Node* s = graph.NewNode(common.Start(num_parameters));
     graph.SetStart(s);