Index: sandbox_win.cc
===================================================================
--- sandbox_win.cc	(revision 202711)
+++ sandbox_win.cc	(working copy)
@@ -589,8 +589,17 @@
   cmd_line->AppendArg(base::StringPrintf("/prefetch:%d", base::Hash(type_str)));
 
   if (!in_sandbox) {
+    base::LaunchOptions options = base::LaunchOptions();
     base::ProcessHandle process = 0;
-    base::LaunchProcess(*cmd_line, base::LaunchOptions(), &process);
+
+    static HANDLE hJobObject = NULL;
+    if (!hJobObject) {
+      hJobObject = CreateJobObject(NULL, NULL);
+      base::SetJobObjectAsKillOnJobClose(hJobObject);
+    }
+    options.job_handle = hJobObject;
+
+    base::LaunchProcess(*cmd_line, options, &process);
     g_broker_services->AddTargetPeer(process);
     return process;
   }