Mojo EDK: Clean shutdown for ScopedIPCSupport in tests

mojo/edk/test/run_all_unittests.cc

 // Copyright 2013 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 <signal.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/multiprocess_test.h"
@@ skipping 25 matching lines @@
   // Removing the signal handler solves this issue.
   signal(SIGABRT, SIG_DFL);
 #endif
 
   base::TestSuite test_suite(argc, argv);
 
   mojo::edk::Init();
 
   mojo::test::TestSupport::Init(new mojo::edk::test::TestSupportImpl());
   base::TestIOThread test_io_thread(base::TestIOThread::kAutoStart);
-  // Leak this because its destructor calls mojo::edk::ShutdownIPCSupport which
-  // really does nothing in the new EDK but does depend on the current message
-  // loop, which is destructed inside base::LaunchUnitTests.
-  new mojo::edk::test::ScopedIPCSupport(test_io_thread.task_runner());
 
+  mojo::edk::test::ScopedIPCSupport ipc_support(test_io_thread.task_runner());
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
 }