Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/tabs/pinned_tab_codec.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/tabs/pinned_tab_codec.h"
 
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 90 matching lines @@
   ListValue values;
   for (BrowserList::const_iterator i = BrowserList::begin();
        i != BrowserList::end(); ++i) {
     Browser* browser = *i;
     if (browser->is_type_tabbed() &&
         browser->profile() == profile && HasPinnedTabs(browser)) {
       EncodePinnedTabs(browser, &values);
     }
   }
   prefs->Set(prefs::kPinnedTabs, values);
-  prefs->ScheduleSavePersistentPrefs();
 }
 
 // static
 std::vector<Tab> PinnedTabCodec::ReadPinnedTabs(Profile* profile) {
   std::vector<Tab> results;
 
   PrefService* prefs = profile->GetPrefs();
   if (!prefs)
     return results;
 
   const ListValue* pref_value = prefs->GetList(prefs::kPinnedTabs);
   if (!pref_value)
     return results;
 
   for (size_t i = 0, max = pref_value->GetSize(); i < max; ++i) {
     DictionaryValue* values = NULL;
     if (pref_value->GetDictionary(i, &values)) {
       Tab tab;
       if (DecodeTab(*values, &tab))
         results.push_back(tab);
     }
   }
   return results;
 }