Do not display lock for hosted domains

chrome/browser/signin/signin_manager_factory.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/signin/signin_manager_factory.h"
 
 #include "base/prefs/pref_registry_simple.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/chrome_signin_client_factory.h"
@@ skipping 59 matching lines @@
 #endif
 
 // static
 SigninManagerFactory* SigninManagerFactory::GetInstance() {
   return Singleton<SigninManagerFactory>::get();
 }
 
 void SigninManagerFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterStringPref(
+      prefs::kGoogleServicesHostedDomain,
+      std::string(),
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterStringPref(
       prefs::kGoogleServicesLastUsername,
       std::string(),
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterStringPref(
       prefs::kGoogleServicesUserAccountId,
       std::string(),
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterStringPref(
       prefs::kGoogleServicesUsername,
       std::string(),
@@ skipping 57 matching lines @@
 }
 
 void SigninManagerFactory::BrowserContextShutdown(
     content::BrowserContext* context) {
   SigninManagerBase* manager = static_cast<SigninManagerBase*>(
       GetServiceForBrowserContext(context, false));
   if (manager)
     FOR_EACH_OBSERVER(Observer, observer_list_, SigninManagerShutdown(manager));
   BrowserContextKeyedServiceFactory::BrowserContextShutdown(context);
 }