Run ipc_tests serially when using new test launcher.

ipc/run_all_unittests.cc

-// 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.
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
@@ skipping 15 matching lines @@
 
 }  // namespace
 
 int main(int argc, char** argv) {
 #if defined(OS_ANDROID)
   JNIEnv* env = base::android::AttachCurrentThread();
   file_util::RegisterContentUriTestUtils(env);
 #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));
 }