Pepper: Move GetSandboxISA() to PPB_NaCl_Private.

ppapi/c/private/ppb_nacl_private.h

 /* 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.
  */
 
-/* From private/ppb_nacl_private.idl modified Fri Mar  7 13:41:05 2014. */
+/* From private/ppb_nacl_private.idl modified Wed Mar 12 14:00:41 2014. */
 
 #ifndef PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_
 #define PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
@@ skipping 258 matching lines @@
   /* Report an error that occured while attempting to load a nexe. */
   void (*ReportLoadError)(PP_Instance instance,
                           PP_NaClError error,
                           PP_Bool is_installed);
   /* Performs internal cleanup when an instance is destroyed. */
   void (*InstanceDestroyed)(PP_Instance instance);
   /* Return true if the NaCl debug stub is enabled and the loaded app
    * will be attached to a debugger.
    */
   PP_Bool (*NaClDebugStubEnabled)(void);
+  /* Returns the kind of SFI sandbox implemented by NaCl on this
+   * platform.
+   */
+  const char* (*GetSandboxArch)(void);
 };
 
 typedef struct PPB_NaCl_Private_1_0 PPB_NaCl_Private;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPB_NACL_PRIVATE_H_ */