signin: pull basic SigninManager functionality into new SigninManagerBase class.

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/profiles/profile_dependency_manager.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/signin/token_service_factory.h"
 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 
 SigninManagerFactory::SigninManagerFactory()
     : ProfileKeyedServiceFactory("SigninManager",
                                  ProfileDependencyManager::GetInstance()) {
   DependsOn(TokenServiceFactory::GetInstance());
   DependsOn(GlobalErrorServiceFactory::GetInstance());
 }
 
 SigninManagerFactory::~SigninManagerFactory() {}
 
+#if defined(OS_CHROMEOS)
+// static
+SigninManagerBase* SigninManagerFactory::GetForProfileIfExists(
+    Profile* profile) {
+  return static_cast<SigninManagerBase*>(
+      GetInstance()->GetServiceForProfile(profile, false));
+}
+
+// static
+SigninManagerBase* SigninManagerFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<SigninManagerBase*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+#else
 // static
 SigninManager* SigninManagerFactory::GetForProfile(Profile* profile) {
   return static_cast<SigninManager*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
 
 // static
 SigninManager* SigninManagerFactory::GetForProfileIfExists(Profile* profile) {
   return static_cast<SigninManager*>(
       GetInstance()->GetServiceForProfile(profile, false));
 }
+#endif
 
 // static
 SigninManagerFactory* SigninManagerFactory::GetInstance() {
   return Singleton<SigninManagerFactory>::get();
 }
 
 void SigninManagerFactory::RegisterUserPrefs(PrefRegistrySyncable* registry) {
   registry->RegisterStringPref(prefs::kGoogleServicesLastUsername,
                                std::string(),
                                PrefRegistrySyncable::UNSYNCABLE_PREF);
@@ skipping 10 matching lines @@
 }
 
 // static
 void SigninManagerFactory::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(prefs::kGoogleServicesUsernamePattern,
                                std::string());
 }
 
 ProfileKeyedService* SigninManagerFactory::BuildServiceInstanceFor(
     Profile* profile) const {
-  SigninManager* service = new SigninManager();
+
+  SigninManagerBase* service = NULL;
+#if defined(OS_CHROMEOS)
+  service = new SigninManagerBase();
+#else
+  service = new SigninManager();
+#endif
+
   service->Initialize(profile);
   return service;
 }