Add an interface for nacl to create delete-on-close temp files,

ppapi/native_client/src/trusted/plugin/build.scons

Index: ppapi/native_client/src/trusted/plugin/build.scons
diff --git a/ppapi/native_client/src/trusted/plugin/build.scons b/ppapi/native_client/src/trusted/plugin/build.scons
index b9a683634189fa1a97c9be267a59e30ca88bc38b..296ad11839b1e3c746220ed6a945ec7755a80585 100644
--- a/ppapi/native_client/src/trusted/plugin/build.scons
+++ b/ppapi/native_client/src/trusted/plugin/build.scons
@@ -1,5 +1,5 @@
 # -*- python -*-
-# Copyright (c) 2011 The Native Client Authors. All rights reserved.
+# Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -72,6 +72,7 @@ common_inputs = [
     'service_runtime.cc',
     'srpc_client.cc',
     'srpc_params.cc',
+    'temporary_file.cc',
     'utility.cc',
 ]