Pass the nacl start parameters as a struct.

chrome/common/nacl_types.cc

Index: chrome/common/nacl_types.cc
diff --git a/chrome/common/nacl_types.cc b/chrome/common/nacl_types.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0ee4295ee176fe8eeaa36013018aac80954d5cc6
--- /dev/null
+++ b/chrome/common/nacl_types.cc
@@ -0,0 +1,15 @@
+// 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 "chrome/common/nacl_types.h"
+
+namespace nacl {
+
+NaClStartParams::NaClStartParams() : enable_exception_handling(false) {
+}
+
+NaClStartParams::~NaClStartParams() {
+}
+
+}  // namespace nacl