Open NaCl IRT file only once at startup

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 2011 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 "chrome/browser/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 32 matching lines @@
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/instant/instant_field_trial.h"
 #include "chrome/browser/jankometer.h"
 #include "chrome/browser/language_usage_metrics.h"
 #include "chrome/browser/metrics/field_trial_synchronizer.h"
 #include "chrome/browser/metrics/histogram_synchronizer.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/metrics/thread_watcher.h"
 #include "chrome/browser/metrics/tracking_synchronizer.h"
+#include "chrome/browser/nacl_host/nacl_process_host.h"
 #include "chrome/browser/net/chrome_dns_cert_provenance_checker.h"
 #include "chrome/browser/net/chrome_dns_cert_provenance_checker_factory.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/plugin_prefs.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/pref_value_store.h"
@@ skipping 1771 matching lines @@
 
   // Initialize GpuDataManager and collect preliminary gpu info on FILE thread.
   // Upon completion, it posts GpuBlacklist auto update task on UI thread.
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&GpuBlacklistUpdater::SetupOnFileThread));
 
   // Start watching all browser threads for responsiveness.
   ThreadWatcherList::StartWatchingAll(parsed_command_line());
 
+#if !defined(DISABLE_NACL)
+  NaClProcessHost::EarlyStartup();
+#endif
+
   run_message_loop_ = true;
   return content::RESULT_CODE_NORMAL_EXIT;
 }
 
 // Called from MainMessageLoopRun().
 void ChromeBrowserMainParts::StartBrowserOrUITask() {
   // Still initializing, so need to allow IO.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
 
   // Set the notification UI manager after any desktop initialization in
@@ skipping 230 matching lines @@
   if (env->GetVar(chrome::kPreReadEnvironmentVariable, &pre_read) &&
       (pre_read == "0" || pre_read == "1")) {
     std::string uma_name(name);
     uma_name += "_PreRead";
     uma_name += pre_read == "1" ? "Enabled" : "Disabled";
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }