[Easy signin] Add method to get user info to easyUnlockPrivate

chrome/browser/signin/easy_unlock_service_factory.cc

 // Copyright 2014 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/easy_unlock_service_factory.h"
 
+#include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
 #include "chrome/browser/signin/easy_unlock_service_regular.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "extensions/browser/extension_system_provider.h"
 #include "extensions/browser/extensions_browser_client.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/signin/easy_unlock_service_signin_chromeos.h"
+#include "chromeos/chromeos_switches.h"
 #endif
 
 // static
 EasyUnlockServiceFactory* EasyUnlockServiceFactory::GetInstance() {
   return Singleton<EasyUnlockServiceFactory>::get();
 }
 
 // static
 EasyUnlockService* EasyUnlockServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<EasyUnlockService*>(
@@ skipping 10 matching lines @@
 }
 
 EasyUnlockServiceFactory::~EasyUnlockServiceFactory() {
 }
 
 KeyedService* EasyUnlockServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(
           Profile::FromBrowserContext(context))) {
-    return new EasyUnlockServiceSignin(Profile::FromBrowserContext(context));
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+            chromeos::switches::kEnableEasySignin)) {
+      return new EasyUnlockServiceSignin(Profile::FromBrowserContext(context));
+    } else {
+      return NULL;
+    }
   }
 #endif
   return new EasyUnlockServiceRegular(Profile::FromBrowserContext(context));
 }
 
 content::BrowserContext* EasyUnlockServiceFactory::GetBrowserContextToUse(
       content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool EasyUnlockServiceFactory::ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 bool EasyUnlockServiceFactory::ServiceIsNULLWhileTesting() const {
   // Don't create the service for TestingProfile used in unit_tests because
   // EasyUnlockService uses ExtensionSystem::ready().Post, which expects
   // a MessageLoop that does not exit in many unit_tests cases.
   return true;
 }