Attempt to fix a CloseHandle crasher in the renderer process. The crash is triggered by Nacl.

components/nacl/renderer/plugin/pnacl_translate_thread.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.
 
 #include "components/nacl/renderer/plugin/pnacl_translate_thread.h"
 
 #include <iterator>
 #include <sstream>
 
 #include "components/nacl/renderer/plugin/plugin.h"
@@ skipping 160 matching lines @@
     compile_out_files.push_back(invalid_desc_wrapper_);
 
   PLUGIN_PRINTF(
       ("DoTranslate using subzero: %d\n", pnacl_options_->use_subzero));
 
   pp::Core* core = pp::Module::Get()->core();
   int64_t compiler_load_start_time = NaClGetTimeOfDayMicroseconds();
   PnaclResources::ResourceType compiler_type = pnacl_options_->use_subzero
                                                    ? PnaclResources::SUBZERO
                                                    : PnaclResources::LLC;
-  // On success, ownership of file_info is transferred.
+  // Ownership of file_info is transferred here.
   PP_NaClFileInfo file_info = resources_->TakeFileInfo(compiler_type);
   const std::string& url = resources_->GetUrl(compiler_type);
   NaClSubprocess* compiler_subprocess =
       plugin_->LoadHelperNaClModule(url, file_info, &error_info);
   if (compiler_subprocess == NULL) {
-    if (file_info.handle != PP_kInvalidFileHandle)
-      CloseFileHandle(file_info.handle);
     TranslateFailed(PP_NACL_ERROR_PNACL_LLC_SETUP,
                     "Compile process could not be created: " +
                     error_info.message());
     return;
   }
   int64_t compiler_load_time_total =
       NaClGetTimeOfDayMicroseconds() - compiler_load_start_time;
   GetNaClInterface()->LogTranslateTime("NaCl.Perf.PNaClLoadTime.LoadCompiler",
                                        compiler_load_time_total);
   GetNaClInterface()->LogTranslateTime(
@@ skipping 146 matching lines @@
       return false;
     }
     ld_in_files.push_back((*obj_files_)[i]->read_wrapper());
   }
   for (; i < PnaclCoordinator::kMaxTranslatorObjectFiles; i++)
     ld_in_files.push_back(invalid_desc_wrapper_);
 
   nacl::DescWrapper* ld_out_file = nexe_file_->write_wrapper();
   int64_t ld_start_time = NaClGetTimeOfDayMicroseconds();
   PP_NaClFileInfo ld_file_info = resources_->TakeFileInfo(PnaclResources::LD);
-  // On success, ownership of ld_file_info is transferred.
+  // Ownership of ld_file_info is transferred here.
   nacl::scoped_ptr<NaClSubprocess> ld_subprocess(plugin_->LoadHelperNaClModule(
       resources_->GetUrl(PnaclResources::LD), ld_file_info, &error_info));
   if (ld_subprocess.get() == NULL) {
-    if (ld_file_info.handle != PP_kInvalidFileHandle)
-      CloseFileHandle(ld_file_info.handle);
     TranslateFailed(PP_NACL_ERROR_PNACL_LD_SETUP,
                     "Link process could not be created: " +
                     error_info.message());
     return false;
   }
   GetNaClInterface()->LogTranslateTime(
       "NaCl.Perf.PNaClLoadTime.LoadLinker",
       NaClGetTimeOfDayMicroseconds() - ld_start_time);
   {
     nacl::MutexLocker ml(&subprocess_mu_);
@@ skipping 91 matching lines @@
   AbortSubprocesses();
   if (translate_thread_ != NULL)
     NaClThreadJoin(translate_thread_.get());
   PLUGIN_PRINTF(("~PnaclTranslateThread joined\n"));
   NaClCondVarDtor(&buffer_cond_);
   NaClMutexDtor(&cond_mu_);
   NaClMutexDtor(&subprocess_mu_);
 }
 
 } // namespace plugin