[NaCl SDK] Remove syscalls wrappers for chmod and unlink.

native_client_sdk/src/libraries/ppapi_simple/ps.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.
 
 #ifndef PPAPI_SIMPLE_PS_H_
 #define PPAPI_SIMPLE_PS_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "sdk_util/macros.h"
 
@@ skipping 25 matching lines @@
  * a base class, and overload the appropriate virtual functions such as
  * Main, ChangeContext, or Render.
  */
 
 /**
  * PSGetInstanceId
  *
  * Return the PP_Instance id of this instance of the module.  This is required
  * by most of the Pepper resource creation routines.
  */
-PP_Instance PSGetInstanceId();
+PP_Instance PSGetInstanceId(void);
 
 
 /**
  * PSGetInterface
  *
  * Return the Pepper instance referred to by 'name'.  Will return a pointer
  * to the interface, or NULL if not found or not available.
  */
 const void* PSGetInterface(const char *name);
 
@@ skipping 20 matching lines @@
 #define PPAPI_SIMPLE_USE_MAIN(factory, func)   \
 void* PSUserCreateInstance(PP_Instance inst) { \
   return factory(inst, func);                  \
 }
 
 
 EXTERN_C_END
 
 
 #endif  // PPAPI_SIMPLE_PS_H_