Test for --nacl-gdb functionality.

ppapi/tests/test_empty.cc

Index: ppapi/tests/test_empty.cc
===================================================================
--- ppapi/tests/test_empty.cc	(revision 0)
+++ ppapi/tests/test_empty.cc	(working copy)
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 The Chromium 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 "ppapi/tests/test_empty.h"
+#include "ppapi/tests/testing_instance.h"
+
+REGISTER_TEST_CASE(Empty);
+// This test checks only that the NaCl module loads successfully.
+// This is needed when the NaCl module is launched under the debugger and
+// so we want to check only the launching sequence.
+TestEmpty::TestEmpty(TestingInstance* instance)
+    : TestCase(instance) {
+}
+
+bool TestEmpty::Init() {
+  return true;
+}
+
+void TestEmpty::RunTests(const std::string& filter) {
+  RUN_TEST(NaClLoad, filter);
+}
+
+std::string TestEmpty::TestNaClLoad() {
+  PASS();
+}