Implement open_resource in non-SFI mode.

components/nacl/loader/nonsfi/irt_interfaces.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_NACL_LOADER_NONSFI_IRT_INTERFACES_H_
 #define COMPONENTS_NACL_LOADER_NONSFI_IRT_INTERFACES_H_
 
 #include "base/basictypes.h"
 #include "native_client/src/untrusted/irt/irt.h"
 #include "ppapi/nacl_irt/public/irt_ppapi.h"
 
 namespace nacl {
 namespace nonsfi {
 
 size_t NaClIrtInterface(const char* interface_ident,
                         void* table, size_t tablesize);
 
 extern const struct nacl_irt_basic kIrtBasic;
 extern const struct nacl_irt_fdio kIrtFdIO;
 extern const struct nacl_irt_memory kIrtMemory;
 extern const struct nacl_irt_thread kIrtThread;
 extern const struct nacl_irt_futex kIrtFutex;
 extern const struct nacl_irt_tls kIrtTls;
 extern const struct nacl_irt_clock kIrtClock;
 extern const struct nacl_irt_ppapihook kIrtPpapiHook;
+extern const struct nacl_irt_resource_open kIrtResourceOpen;
 extern const struct nacl_irt_random kIrtRandom;
 
 }  // namespace nonsfi
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_LOADER_NONSFI_IRT_INTERFACES_H_