NaCl: Remove getpid() calls from the PPAPI proxy

ppapi/native_client/src/shared/ppapi_proxy/untrusted/srpcgen/ppp_rpc.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.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
@@ skipping 21 matching lines @@
   CompletionCallbackRpcServer();
   CompletionCallbackRpcServer(const CompletionCallbackRpcServer&);
   void operator=(const CompletionCallbackRpcServer);
 };  // class CompletionCallbackRpcServer
 
 class PppRpcServer {
  public:
   static void PPP_InitializeModule(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
-      int32_t pid,
       PP_Module module,
       NaClSrpcImcDescType upcall_channel_desc,
       const char* service_description,
-      int32_t* nacl_pid,
       int32_t* success);
   static void PPP_ShutdownModule(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done);
   static void PPP_GetInterface(
       NaClSrpcRpc* rpc,
       NaClSrpcClosure* done,
       const char* interface_name,
       int32_t* exports_interface_name);
 
@@ skipping 229 matching lines @@
 };  // class PppZoomRpcServer
 
 class PppRpcs {
  public:
   static NaClSrpcHandlerDesc srpc_methods[];
 };  // class PppRpcs
 
 
 #endif  // GEN_PPAPI_PROXY_PPP_RPC_H_