Run ipc_tests serially when using new test launcher.

ipc/run_all_unittests.cc

Index: ipc/run_all_unittests.cc
diff --git a/base/test/run_all_unittests.cc b/ipc/run_all_unittests.cc
similarity index 78%
copy from base/test/run_all_unittests.cc
copy to ipc/run_all_unittests.cc
index 3b5ebfe5a9b370f0f25bc0d8d796f51094a90e11..d36f8712210d24f4ed51f9d883d182dc473c897f 100644
--- a/base/test/run_all_unittests.cc
+++ b/ipc/run_all_unittests.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -34,7 +34,7 @@ int main(int argc, char** argv) {
 #else
   base::AtExitManager at_exit;
 #endif
-  return base::LaunchUnitTests(argc,
-                               argv,
-                               base::Bind(&RunTestSuite, argc, argv));
+  return base::LaunchUnitTestsSerially(argc,
+                                       argv,
+                                       base::Bind(&RunTestSuite, argc, argv));
 }