Introduce a holder for compile jobs

test/unittests/compiler-dispatcher/compiler-dispatcher-job-unittest.cc

+// Copyright 2016 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 <memory>
+
+#include "src/compiler-dispatcher/compiler-dispatcher-job.h"
+#include "src/isolate-inl.h"
+#include "test/unittests/test-utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace v8 {
+namespace internal {
+
+typedef TestWithContext CompilerDispatcherJobTest;
+
+TEST_F(CompilerDispatcherJobTest, Construct) {
+  Isolate* i_isolate = reinterpret_cast<Isolate*>(isolate());
+  std::unique_ptr<CompilerDispatcherJob> job(
+      new CompilerDispatcherJob(i_isolate, i_isolate->object_function()));
+}
+
+}  // namespace internal
+}  // namespace v8