Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/proxy_config_service_impl.cc

 // Copyright (c) 2012 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/chromeos/proxy_config_service_impl.h"
 
 #include <ostream>
 
 #include "base/bind.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 562 matching lines @@
   JSONStringValueSerializer serializer(network->proxy_config());
   scoped_ptr<Value> value(serializer.Deserialize(NULL, NULL));
   if (!value.get() || value->GetType() != Value::TYPE_DICTIONARY)
     return false;
   ProxyConfigDictionary proxy_dict(static_cast<DictionaryValue*>(value.get()));
   return PrefProxyConfigTrackerImpl::PrefConfigToNetConfig(proxy_dict,
                                                            proxy_config);
 }
 
 // static
-void ProxyConfigServiceImpl::RegisterPrefs(PrefService* pref_service) {
+void ProxyConfigServiceImpl::RegisterPrefs(PrefServiceSimple* pref_service) {
   // Use shared proxies default to off.  GetUseSharedProxies will return the
   // correct value based on pre-login and login.
-  pref_service->RegisterBooleanPref(prefs::kUseSharedProxies,
-                                    true,
-                                    PrefService::UNSYNCABLE_PREF);
+  pref_service->RegisterBooleanPref(prefs::kUseSharedProxies, true);
 }
 
 //------------------ ProxyConfigServiceImpl: private methods -------------------
 
 void ProxyConfigServiceImpl::OnUseSharedProxiesChanged() {
   VLOG(1) << "New use-shared-proxies = " << GetUseSharedProxies();
 
   // Determine new proxy config which may have changed because of new
   // use-shared-proxies. If necessary, activate it.
   Network* network = NULL;
@@ skipping 241 matching lines @@
     device_config_.clear();
     return;
   }
   if (!active_network_.empty()) {
     VLOG(1) << "Try migrating device config to " << active_network_;
     SetProxyConfigForNetwork(active_network_, device_config_, true);
   }
 }
 
 }  // namespace chromeos