Convert UserPolicySigninService to use OAuth2TokenService

chrome/browser/signin/profile_oauth2_token_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/signin/profile_oauth2_token_service_factory.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/profile_oauth2_token_service.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/token_service_factory.h"
 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 
 ProfileOAuth2TokenServiceFactory::ProfileOAuth2TokenServiceFactory()
     : BrowserContextKeyedServiceFactory(
         "ProfileOAuth2TokenService",
         BrowserContextDependencyManager::GetInstance()) {
   DependsOn(GlobalErrorServiceFactory::GetInstance());
+  DependsOn(SigninManagerFactory::GetInstance());
   DependsOn(TokenServiceFactory::GetInstance());
 }
 
 ProfileOAuth2TokenServiceFactory::~ProfileOAuth2TokenServiceFactory() {
 }
 
 #if defined(OS_ANDROID)
 // static
 AndroidProfileOAuth2TokenService*
     ProfileOAuth2TokenServiceFactory::GetForProfile(Profile* profile) {
@@ skipping 21 matching lines @@
   Profile* profile = static_cast<Profile*>(context);
   ProfileOAuth2TokenService* service;
 #if defined(OS_ANDROID)
   service = new AndroidProfileOAuth2TokenService();
 #else
   service = new ProfileOAuth2TokenService();
 #endif
   service->Initialize(profile);
   return service;
 }