Remove the dependency of Zone on Isolate

test/unittests/compiler/js-typed-lowering-unittest.cc

Index: test/unittests/compiler/js-typed-lowering-unittest.cc
diff --git a/test/unittests/compiler/js-typed-lowering-unittest.cc b/test/unittests/compiler/js-typed-lowering-unittest.cc
index 9886c267b82fc387eba046f122395f83255acfb7..57ed6fd80ff27ae6e14a39479e8c749f6c5941d0 100644
--- a/test/unittests/compiler/js-typed-lowering-unittest.cc
+++ b/test/unittests/compiler/js-typed-lowering-unittest.cc
@@ -75,14 +75,14 @@ class JSTypedLoweringTest : public TypedGraphTest {
  protected:
   Reduction Reduce(Node* node) {
     MachineOperatorBuilder machine(zone());
-    JSGraph jsgraph(graph(), common(), javascript(), &machine);
+    JSGraph jsgraph(isolate(), graph(), common(), javascript(), &machine);
     JSTypedLowering reducer(&jsgraph, zone());
     return reducer.Reduce(node);
   }
 
   Node* EmptyFrameState() {
     MachineOperatorBuilder machine(zone());
-    JSGraph jsgraph(graph(), common(), javascript(), &machine);
+    JSGraph jsgraph(isolate(), graph(), common(), javascript(), &machine);
     return jsgraph.EmptyFrameState();
   }