[turbofan] Enforce native context specialization.

test/unittests/compiler/graph-unittest.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "test/unittests/compiler/graph-unittest.h"
 
 #include "src/compiler/node-properties.h"
 #include "src/factory.h"
 #include "src/objects-inl.h"  // TODO(everyone): Make typer.h IWYU compliant.
 #include "test/unittests/compiler/node-test-utils.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-GraphTest::GraphTest(int num_parameters) : common_(zone()), graph_(zone()) {
+GraphTest::GraphTest(int num_parameters)
+    : TestWithNativeContext(),
+      TestWithIsolateAndZone(),
+      common_(zone()),
+      graph_(zone()) {
   graph()->SetStart(graph()->NewNode(common()->Start(num_parameters)));
   graph()->SetEnd(graph()->NewNode(common()->End(1), graph()->start()));
 }
 
 
 GraphTest::~GraphTest() {}
 
 
 Node* GraphTest::Parameter(int32_t index) {
   return graph()->NewNode(common()->Parameter(index), graph()->start());
@@ skipping 102 matching lines @@
   EXPECT_LT(0u, n0->id());
   EXPECT_LT(0u, n1->id());
   EXPECT_NE(n0->id(), n1->id());
   EXPECT_EQ(&kDummyOperator, n0->op());
   EXPECT_EQ(&kDummyOperator, n1->op());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8