Add validation caching interface.

src/trusted/service_runtime/sel_main_chrome.h

 /*
  * 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.
  */
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_SEL_MAIN_CHROME_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_SEL_MAIN_CHROME_H_ 1
 
 #include "native_client/src/include/nacl_base.h"
 #include "native_client/src/shared/imc/nacl_imc_c.h"
 
 EXTERN_C_BEGIN
 
+struct NaClValidationCache;
+
 /*
  * Register the integrated runtime (IRT) library file for use by
  * NaClMainForChromium().  This takes a file descriptor, even on
  * Windows (where file descriptors are emulated by the C runtime
  * library).
  */
 void NaClSetIrtFileDesc(int fd);
 
+void NaClSetValidationCache(struct NaClValidationCache *cache);
+
 void NaClMainForChromium(int handle_count, const NaClHandle *handles,
                          int debug);
 
 EXTERN_C_END
 
 #endif