Avoid loading the last used browser profile in app_controller_mac when it's not needed.

chrome/browser/chrome_browser_main.cc

 // 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.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 282 matching lines @@
         local_state->GetString(prefs::kApplicationLocale) != owner_locale &&
         !local_state->IsManagedPreference(prefs::kApplicationLocale)) {
       local_state->SetString(prefs::kApplicationLocale, owner_locale);
     }
   }
 #endif
 
   return local_state;
 }
 
-// Returns the path that contains the profile that should be loaded
-// on process startup.
-base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
-                                     const CommandLine& command_line) {
-  if (command_line.HasSwitch(switches::kProfileDirectory)) {
-    return user_data_dir.Append(
-        command_line.GetSwitchValuePath(switches::kProfileDirectory));
-  }
-
-  // If we are showing the app list then chrome isn't shown so load the app
-  // list's profile rather than chrome's.
-  if (command_line.HasSwitch(switches::kShowAppList)) {
-    return AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->
-        GetProfilePath(user_data_dir);
-  }
-
-  return g_browser_process->profile_manager()->GetLastUsedProfileDir(
-      user_data_dir);
-}
-
 // Initializes the primary profile, possibly doing some user prompting to pick
 // a fallback profile. Returns the newly created profile, or NULL if startup
 // should not continue.
 Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters,
                               const base::FilePath& user_data_dir,
                               const CommandLine& parsed_command_line) {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::CreateProfile")
   base::Time start = base::Time::Now();
   if (profiles::IsMultipleProfilesEnabled() &&
       parsed_command_line.HasSwitch(switches::kProfileDirectory)) {
@@ skipping 1342 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }