Back out bug 863646 for make check orange (TestStartupCache).

xpcom/build/nsXPComInit.cpp

@@ -479,10 +479,6 @@ NS_InitXPCOM2(nsIServiceManager* *result,
     // to the directory service.
     nsDirectoryService::gService->RegisterCategoryProviders();
 
-    // Force layout to spin up so that nsContentUtils is available for cx stack
-    // munging.
-    nsCOMPtr<nsISupports> componentLoader = do_GetService("@mozilla.org/moz/jsloader;1");
-
     mozilla::scache::StartupCache::GetSingleton();
     mozilla::AvailableMemoryTracker::Activate();