Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 4530 matching lines @@
   const bool show_main_ui = is_type_tabbed();
 #endif
   command_updater_.UpdateCommandEnabled(IDC_SHOW_BOOKMARK_BAR,
       browser_defaults::bookmarks_enabled &&
       !profile_->GetPrefs()->IsManagedPreference(prefs::kShowBookmarkBar) &&
       show_main_ui);
 }
 
 void Browser::MarkHomePageAsChanged(PrefService* pref_service) {
   pref_service->SetBoolean(prefs::kHomePageChanged, true);
-  pref_service->ScheduleSavePersistentPrefs();
 }
 
 void Browser::UpdateSaveAsState(int content_restrictions) {
   bool enabled = !(content_restrictions & CONTENT_RESTRICTION_SAVE);
   PrefService* state = g_browser_process->local_state();
   if (state)
     enabled = enabled && state->GetBoolean(prefs::kAllowFileSelectionDialogs);
 
   command_updater_.UpdateCommandEnabled(IDC_SAVE_PAGE, enabled);
 }
@@ skipping 712 matching lines @@
     window_->GetLocationBar()->ShowFirstRunBubble(bubble_type);
   } else if (is_type_tabbed()) {
     GlobalErrorService* service =
         GlobalErrorServiceFactory::GetForProfile(profile());
     GlobalError* error = service->GetFirstGlobalErrorWithBubbleView();
     if (error) {
       error->ShowBubbleView(this);
     }
   }
 }