[NaCl SDK] Switch ppapi_simple to C library

native_client_sdk/src/libraries/ppapi_simple/ps_main.c

-// 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.
+/* Copyright 2015 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. */
 
+#include "ppapi_simple/ps_main.h"
+
 #ifdef __native_client__
 #include <irt.h>
 #include <irt_ppapi.h>
 #endif
 
 #include <stdio.h>
 
 #include "nacl_io/nacl_io.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_module.h"
 #include "ppapi_simple/ps_instance.h"
-#include "ppapi_simple/ps_main.h"
 
-extern "C" int PpapiPluginMain();
+FORCE_LINK_THIS(ps_main)
 
-void* PSMainCreate(PP_Instance inst, PSMainFunc_t entry_point) {
-  PSInstance* pInst = new PSInstance(inst);
-  pInst->SetMain(entry_point);
-  return pInst;
-}
+int PpapiPluginMain();
 
 /**
  * main entry point for ppapi_simple applications.  This differs from the
  * regular ppapi main entry point in that it will fall back to running
  * the user's main code in the case that the PPAPI hooks are not found.
  * This allows ppapi_simple binary to run within chrome (with PPAPI present)
  * and also under sel_ldr (no PPAPI).
  */
 #ifdef __native_client__
-extern "C" int __nacl_main(int argc, char* argv[]) {
+int __nacl_main(int argc, char* argv[]) {
   struct nacl_irt_ppapihook hooks;
   if (nacl_interface_query(NACL_IRT_PPAPIHOOK_v0_1, &hooks, sizeof(hooks)) ==
       sizeof(hooks)) {
     return PpapiPluginMain();
   }
 #else
 int main(int argc, char* argv[]) {
 #endif
   // By default, or if not running in the browser we simply run the main
   // entry point directly, on the main thread.
   int rtn = nacl_io_init();
   if (rtn != 0)
     return rtn;
   rtn = PSUserMainGet()(argc, argv);
   nacl_io_uninit();
   return rtn;
 }