Use valid /prefetch arguments for process launches on Windows. - do not submit

chrome/installer/util/auto_launch_util.cc

Index: chrome/installer/util/auto_launch_util.cc
diff --git a/chrome/installer/util/auto_launch_util.cc b/chrome/installer/util/auto_launch_util.cc
index e61cf7677d09db1742737d8a22503438c6734145..078c476bfb18108dbca2db338f703530f48ed8f6 100644
--- a/chrome/installer/util/auto_launch_util.cc
+++ b/chrome/installer/util/auto_launch_util.cc
@@ -20,6 +20,7 @@
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/prefetch_argument_win.h"
 #include "chrome/installer/util/util_constants.h"
 #include "crypto/sha2.h"
 
@@ -58,6 +59,7 @@ void EnableBackgroundStartAtLogin() {
 
   base::CommandLine cmd_line(application_dir.Append(installer::kChromeExe));
   cmd_line.AppendSwitch(switches::kNoStartupWindow);
+  chrome::AddWindowsPrefetchArgument(&cmd_line);
 
   base::win::AddCommandToAutoRun(HKEY_CURRENT_USER, GetAutoLaunchKeyName(),
                                  cmd_line.GetCommandLineString());