Remove PrefService::ScheduleSavePersistentPrefs and SavePersistentPrefs.

chrome/browser/chromeos/user_cros_settings_provider.cc

Index: chrome/browser/chromeos/user_cros_settings_provider.cc
diff --git a/chrome/browser/chromeos/user_cros_settings_provider.cc b/chrome/browser/chromeos/user_cros_settings_provider.cc
index 764c846dfc0179a0aba5a5ac833e831f94d1cb53..f00688b4e600484baa9114a2aad78bff30a8c528 100644
--- a/chrome/browser/chromeos/user_cros_settings_provider.cc
+++ b/chrome/browser/chromeos/user_cros_settings_provider.cc
@@ -196,7 +196,6 @@ void UpdateCacheBool(const std::string& name,
     prefs->ClearPref(name.c_str());
   else
     prefs->SetBoolean(name.c_str(), value);
-  prefs->ScheduleSavePersistentPrefs();
 }
 
 void UpdateCacheString(const std::string& name,
@@ -207,7 +206,6 @@ void UpdateCacheString(const std::string& name,
     prefs->ClearPref(name.c_str());
   else
     prefs->SetString(name.c_str(), value);
-  prefs->ScheduleSavePersistentPrefs();
 }
 
 bool GetUserWhitelist(ListValue* user_list) {
@@ -240,7 +238,6 @@ bool GetUserWhitelist(ListValue* user_list) {
     cached_whitelist_update->Append(Value::CreateStringValue(email));
   }
 
-  prefs->ScheduleSavePersistentPrefs();
   return true;
 }
 
@@ -425,7 +422,6 @@ class UserCrosSettingsTrust : public SignedSettingsHelper::Callback {
       return;
     // Do not trust before fetching complete.
     prefs->ClearPref((name + kTrustedSuffix).c_str());
-    prefs->ScheduleSavePersistentPrefs();
     if (CrosLibrary::Get()->EnsureLoaded()) {
       SignedSettingsHelper::Get()->StartRetrieveProperty(name, this);
     }
@@ -731,7 +727,6 @@ void UserCrosSettingsProvider::WhitelistUser(const std::string& email) {
   PrefService* prefs = g_browser_process->local_state();
   ListPrefUpdate cached_whitelist_update(prefs, kAccountsPrefUsers);
   cached_whitelist_update->Append(Value::CreateStringValue(email));
-  prefs->ScheduleSavePersistentPrefs();
 }
 
 void UserCrosSettingsProvider::UnwhitelistUser(const std::string& email) {
@@ -741,8 +736,7 @@ void UserCrosSettingsProvider::UnwhitelistUser(const std::string& email) {
   PrefService* prefs = g_browser_process->local_state();
   ListPrefUpdate cached_whitelist_update(prefs, kAccountsPrefUsers);
   StringValue email_value(email);
-  if (cached_whitelist_update->Remove(email_value, NULL))
-    prefs->ScheduleSavePersistentPrefs();
+  cached_whitelist_update->Remove(email_value, NULL);
 }
 
 // static