OAuth2LoginManager+MergeSessionThrottle hardening, multi-profle support

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 be2480e9e046a3d388750eb18d380ad1ca4a71c8..9ce1bf211d45ab968b8c3298256ddd0bfc2bc4ca 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -682,11 +682,6 @@ void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 
   swap_metrics_.reset();
 
-  // Stops LoginUtils background fetchers. This is needed because IO thread is
-  // going to stop soon after this function. The pending background jobs could
-  // cause it to crash during shutdown.
-  LoginUtils::Get()->StopBackgroundFetchers();
-
   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
   DeviceOAuth2TokenServiceFactory::Shutdown();