Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/extensions/extension_toolbar_model.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/extensions/extension_toolbar_model.h"
 
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 60 matching lines @@
   }
 
   FOR_EACH_OBSERVER(Observer, observers_, BrowserActionMoved(extension, index));
 
   UpdatePrefs();
 }
 
 void ExtensionToolbarModel::SetVisibleIconCount(int count) {
   visible_icon_count_ = count == static_cast<int>(size()) ? -1 : count;
   prefs_->SetInteger(prefs::kExtensionToolbarSize, visible_icon_count_);
-  prefs_->ScheduleSavePersistentPrefs();
 }
 
 void ExtensionToolbarModel::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (type == chrome::NOTIFICATION_EXTENSIONS_READY) {
     InitializeExtensionList();
     return;
   }
@@ skipping 160 matching lines @@
   int incognito_index = 0, i = 0;
   for (ExtensionList::iterator iter = begin(); iter != end();
        ++iter, ++i) {
     if (original_index == i)
       break;
     if (service_->IsIncognitoEnabled((*iter)->id()))
       ++incognito_index;
   }
   return incognito_index;
 }