NaCl: Supply Windows handle-passing function

ppapi/native_client/src/trusted/plugin/service_runtime.cc

 /*
  * 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.
  */
 
 #define NACL_LOG_MODULE_NAME "Plugin::ServiceRuntime"
 
 #include "native_client/src/trusted/plugin/service_runtime.h"
 
@@ skipping 577 matching lines @@
     return false;
   }
   out_conn_cap = NULL;  // ownership passed
   reverse_service_ = new nacl::ReverseService(conn_cap, rev_interface_->Ref());
   if (!reverse_service_->Start()) {
     error_info->SetReport(ERROR_SEL_LDR_COMMUNICATION_REV_SERVICE,
                           "ServiceRuntime: starting reverse services failed");
     return false;
   }
 
-#if NACL_WINDOWS && !defined(NACL_STANDALONE)
-  // Establish the communication for handle passing protocol
-  struct NaClDesc* desc = NaClHandlePassBrowserGetSocketAddress();
-
-  DWORD my_pid = GetCurrentProcessId();
-  nacl::Handle my_handle = GetCurrentProcess();
-  nacl::Handle my_handle_in_selldr;
-
-  if (!DuplicateHandle(GetCurrentProcess(),
-                       my_handle,
-                       subprocess_->child_process(),
-                       &my_handle_in_selldr,
-                       PROCESS_DUP_HANDLE,
-                       FALSE,
-                       0)) {
-    error_info->SetReport(ERROR_SEL_LDR_HANDLE_PASSING,
-                          "ServiceRuntime: failed handle passing protocol");
-    return false;
-  }
-
-  rpc_result =
-      NaClSrpcInvokeBySignature(&command_channel_,
-                                "init_handle_passing:hii:",
-                                desc,
-                                my_pid,
-                                reinterpret_cast<int>(my_handle_in_selldr));
-
-  if (NACL_SRPC_RESULT_OK != rpc_result) {
-    error_info->SetReport(ERROR_SEL_LDR_HANDLE_PASSING,
-                          "ServiceRuntime: failed handle passing protocol");
-    return false;
-  }
-#endif
   // start the module.  otherwise we cannot connect for multimedia
   // subsystem since that is handled by user-level code (not secure!)
   // in libsrpc.
   int load_status = -1;
   rpc_result =
       NaClSrpcInvokeBySignature(&command_channel_,
                                 "start_module::i",
                                 &load_status);
 
   if (NACL_SRPC_RESULT_OK != rpc_result) {
@@ skipping 125 matching lines @@
   nacl::MutexLocker take(&mu_);
   return exit_status_;
 }
 
 void ServiceRuntime::set_exit_status(int exit_status) {
   nacl::MutexLocker take(&mu_);
   exit_status_ = exit_status & 0xff;
 }
 
 }  // namespace plugin