Loading the Launcher with a Locked Profile launched UserManager.

chrome/browser/chrome_browser_main_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chrome_browser_main_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <sys/sysctl.h>
 
 #include "base/command_line.h"
@@ skipping 255 matching lines @@
 void ChromeBrowserMainPartsMac::PostMainMessageLoopStart() {
   MacStartupProfiler::GetInstance()->Profile(
       MacStartupProfiler::POST_MAIN_MESSAGE_LOOP_START);
   ChromeBrowserMainPartsPosix::PostMainMessageLoopStart();
 }
 
 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() {
   MacStartupProfiler::GetInstance()->Profile(
       MacStartupProfiler::POST_PROFILE_INIT);
   ChromeBrowserMainPartsPosix::PostProfileInit();
   g_browser_process->metrics_service()->RecordBreakpadRegistration(
       breakpad::IsCrashReporterEnabled());
 }
 
 void ChromeBrowserMainPartsMac::DidEndMainMessageLoop() {
   AppController* appController = [NSApp delegate];
   [appController didEndMainMessageLoop];
 }