[cros] RLZ tracking can be turned off via a flag file.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 2a0ac03977b733d6d1666da107a224c59e0c1f7b..e697d7b424b45ddb550c6f69f8113a13b6427e7a 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -520,6 +520,9 @@ void ChromeBrowserMainPartsChromeos::PostProfileInit() {
         profile()->GetPrefs()->FindPreference(prefs::kUseSharedProxies);
     if (use_shared_proxies_pref->IsDefaultValue())
       profile()->GetPrefs()->SetBoolean(prefs::kUseSharedProxies, false);
+
+    // This is done in LoginUtils::OnProfileCreated during normal login.
+    LoginUtils::Get()->InitRlzDelayed(profile());
   }
 
   // Make sure the NetworkConfigurationUpdater is ready so that it pushes ONC