Fixed chrome zombies when cloud print connector is running.

chrome/service/cloud_print/cloud_print_proxy.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/service/cloud_print/cloud_print_proxy.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 20 matching lines @@
   }
   CommandLine cmd_line(exe_path);
 
   const CommandLine& process_command_line = *CommandLine::ForCurrentProcess();
   FilePath user_data_dir =
       process_command_line.GetSwitchValuePath(switches::kUserDataDir);
   if (!user_data_dir.empty())
     cmd_line.AppendSwitchPath(switches::kUserDataDir, user_data_dir);
   cmd_line.AppendSwitch(switch_string);
 
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  base::ProcessHandle pid = 0;
+  base::LaunchProcess(cmd_line, base::LaunchOptions(), &pid);
+  base::EnsureProcessGetsReaped(pid);
+#else
   base::LaunchProcess(cmd_line, base::LaunchOptions(), NULL);
+#endif
 }
 
 // This method is invoked on the IO thread to launch the browser process to
 // display a desktop notification that the Cloud Print token is invalid and
 // needs re-authentication.
 void ShowTokenExpiredNotificationInBrowser() {
   LaunchBrowserProcessWithSwitch(switches::kNotifyCloudPrintTokenExpired);
 }
 
 void CheckCloudPrintProxyPolicyInBrowser() {
@@ skipping 225 matching lines @@
   // Finish disabling cloud print for this user.
   DisableForUser();
 }
 
 void CloudPrintProxy::ShutdownBackend() {
   DCHECK(CalledOnValidThread());
   if (backend_.get())
     backend_->Shutdown();
   backend_.reset();
 }