Loading the Launcher with a Locked Profile launched UserManager.

chrome/browser/chrome_browser_main_mac.mm

Index: chrome/browser/chrome_browser_main_mac.mm
diff --git a/chrome/browser/chrome_browser_main_mac.mm b/chrome/browser/chrome_browser_main_mac.mm
index 11aa996607dea921ce2b2175ea17cf4c39f48403..4fcf17fef974337eaeb76ec902121e5d954f0844 100644
--- a/chrome/browser/chrome_browser_main_mac.mm
+++ b/chrome/browser/chrome_browser_main_mac.mm
@@ -273,10 +273,12 @@ void ChromeBrowserMainPartsMac::PreProfileInit() {
   MacStartupProfiler::GetInstance()->Profile(
       MacStartupProfiler::PRE_PROFILE_INIT);
   ChromeBrowserMainPartsPosix::PreProfileInit();
+
   // This is called here so that the app shim socket is only created after
   // taking the singleton lock.
   g_browser_process->platform_part()->app_shim_host_manager()->Init();
-  AppListService::InitAll(NULL);
+  AppListService::InitAll(NULL,
+      GetStartupProfilePath(user_data_dir(), parsed_command_line()));
 }
 
 void ChromeBrowserMainPartsMac::PostProfileInit() {