Add performance test skeleton.

test/perf-tests/infra-test.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 "testing/gtest-support.h"
+
+namespace v8 {
+namespace infra {
+
+TEST(InfraTest, Constant) {
+  // Prints constant results to verify the infrastructure.
+  printf("RESULT Infra: Constant1= 11 count\n");
+  printf("RESULT Infra: Constant2= [10,5,10,15] count\n");
+  printf("RESULT Infra: Constant3= {12,1.2} count\n");
+}
+
+}  // namespace infra
+}  // namespace v8