Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/content_settings/content_settings_pref_provider.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/content_settings/content_settings_pref_provider.h"
 
 #include <map>
 #include <string>
 #include <utility>
 
@@ skipping 183 matching lines @@
           resource_identifier);
     }
   }
   // Update the content settings preference.
   if (!is_incognito_) {
     UpdatePref(primary_pattern,
                secondary_pattern,
                content_type,
                resource_identifier,
                value.get());
-    prefs_->ScheduleSavePersistentPrefs();
   }
 
   NotifyObservers(
       primary_pattern, secondary_pattern, content_type, resource_identifier);
 
   return true;
 }
 
 void PrefProvider::ClearAllContentSettingsRules(
     ContentSettingsType content_type) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(prefs_);
 
   OriginIdentifierValueMap* map_to_modify = &incognito_value_map_;
   if (!is_incognito_)
     map_to_modify = &value_map_;
 
   std::vector<Rule> rules_to_delete;
   {
     base::AutoLock auto_lock(lock_);
     scoped_ptr<RuleIterator> rule_iterator(
         map_to_modify->GetRuleIterator(content_type, "", NULL));
     // Copy the rules; we cannot call |UpdatePref| while holding |lock_|.
     while (rule_iterator->HasNext())
       rules_to_delete.push_back(rule_iterator->Next());
 
     map_to_modify->DeleteValues(content_type, "");
-    prefs_->ScheduleSavePersistentPrefs();
   }
 
   for (std::vector<Rule>::const_iterator it = rules_to_delete.begin();
        it != rules_to_delete.end(); ++it) {
     UpdatePref(
         it->primary_pattern,
         it->secondary_pattern,
         content_type,
         "",
         NULL);
@@ skipping 26 matching lines @@
       } else if (*name == prefs::kGeolocationContentSettings) {
         MigrateObsoleteGeolocationPref();
       } else if (*name == prefs::kDesktopNotificationAllowedOrigins ||
                  *name == prefs::kDesktopNotificationDeniedOrigins) {
         MigrateObsoleteNotificationsPrefs();
       } else {
         NOTREACHED() << "Unexpected preference observed";
         return;
       }
     }
-    prefs_->ScheduleSavePersistentPrefs();
     ReadContentSettingsFromPref(true);
 
     NotifyObservers(ContentSettingsPattern(),
                     ContentSettingsPattern(),
                     CONTENT_SETTINGS_TYPE_DEFAULT,
                     std::string());
   } else {
     NOTREACHED() << "Unexpected notification";
   }
 }
@@ skipping 822 matching lines @@
 
 void PrefProvider::AssertLockNotHeld() const {
 #if !defined(NDEBUG)
   // |Lock::Acquire()| will assert if the lock is held by this thread.
   lock_.Acquire();
   lock_.Release();
 #endif
 }
 
 }  // namespace content_settings