Refactor preference syncing.

chrome/browser/plugin_updater.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/plugin_updater.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
@@ skipping 321 matching lines @@
 /*static*/
 PluginUpdater* PluginUpdater::GetInstance() {
   return Singleton<PluginUpdater>::get();
 }
 
 /*static*/
 void PluginUpdater::RegisterPrefs(PrefService* prefs) {
   FilePath internal_dir;
   PathService::Get(chrome::DIR_INTERNAL_PLUGINS, &internal_dir);
   prefs->RegisterFilePathPref(prefs::kPluginsLastInternalDirectory,
-                              internal_dir);
-  prefs->RegisterListPref(prefs::kPluginsDisabledPlugins);
-  prefs->RegisterListPref(prefs::kPluginsDisabledPluginsExceptions);
-  prefs->RegisterListPref(prefs::kPluginsEnabledPlugins);
+                              internal_dir,
+                              PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kPluginsDisabledPlugins,
+                          PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kPluginsDisabledPluginsExceptions,
+                          PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterListPref(prefs::kPluginsEnabledPlugins,
+                          PrefService::UNSYNCABLE_PREF);
 }