signin: pull basic SigninManager functionality into new SigninManagerBase class.

chrome/browser/sync/profile_sync_service_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/sync/profile_sync_service_factory.h"
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
@@ skipping 67 matching lines @@
 
 ProfileSyncServiceFactory::~ProfileSyncServiceFactory() {
 }
 
 ProfileKeyedService* ProfileSyncServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   ProfileSyncService::StartBehavior behavior =
       browser_defaults::kSyncAutoStarts ? ProfileSyncService::AUTO_START
                                         : ProfileSyncService::MANUAL_START;
 
-  SigninManager* signin = SigninManagerFactory::GetForProfile(profile);
+  SigninManagerBase* signin = SigninManagerFactory::GetForProfile(profile);
 
   // TODO(atwilson): Change AboutSigninInternalsFactory to load on startup
   // once http://crbug.com/171406 has been fixed.
   AboutSigninInternalsFactory::GetForProfile(profile);
 
   // TODO(tim): Currently, AUTO/MANUAL settings refer to the *first* time sync
   // is set up and *not* a browser restart for a manual-start platform (where
   // sync has already been set up, and should be able to start without user
   // intervention). We can get rid of the browser_default eventually, but
   // need to take care that ProfileSyncService doesn't get tripped up between
   // those two cases. Bug 88109.
   ProfileSyncService* pss = new ProfileSyncService(
       new ProfileSyncComponentsFactoryImpl(profile,
                                            CommandLine::ForCurrentProcess()),
       profile,
       signin,
       behavior);
 
   pss->factory()->RegisterDataTypes(pss);
   pss->Initialize();
   return pss;
 }
 
 // static
 bool ProfileSyncServiceFactory::HasProfileSyncService(Profile* profile) {
   return GetInstance()->GetServiceForProfile(profile, false) != NULL;
 }