NOT FOR CHECKIN. Use Crashpad with --monitor-self

chrome/installer/setup/setup_main.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 "chrome/installer/setup/setup_main.h"
 
 #include <windows.h>
 #include <msi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 1311 matching lines @@
   // The exit manager is in charge of calling the dtors of singletons.
   base::AtExitManager exit_manager;
   base::CommandLine::Init(0, NULL);
 
   std::string process_type =
       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kProcessType);
 
   if (process_type == crash_reporter::switches::kCrashpadHandler) {
     return crash_reporter::RunAsCrashpadHandler(
-        *base::CommandLine::ForCurrentProcess());
+        *base::CommandLine::ForCurrentProcess(), switches::kProcessType);
   }
 
   // install_util uses chrome paths.
   chrome::RegisterPathProvider();
 
   const MasterPreferences& prefs = MasterPreferences::ForCurrentProcess();
   installer::InitInstallerLogging(prefs);
 
   const base::CommandLine& cmd_line = *base::CommandLine::ForCurrentProcess();
   VLOG(1) << "Command Line: " << cmd_line.GetCommandLineString();
@@ skipping 157 matching lines @@
     // Note that we allow the status installer::UNINSTALL_REQUIRES_REBOOT
     // to pass through, since this is only returned on uninstall which is
     // never invoked directly by Google Update.
     return_code = InstallUtil::GetInstallReturnCode(install_status);
   }
 
   VLOG(1) << "Installation complete, returning: " << return_code;
 
   return return_code;
 }