Introduce EasyUnlockService class for signin profile

chrome/browser/signin/easy_unlock_service_factory.cc

Index: chrome/browser/signin/easy_unlock_service_factory.cc
diff --git a/chrome/browser/signin/easy_unlock_service_factory.cc b/chrome/browser/signin/easy_unlock_service_factory.cc
index 4e90429c3732d0537ce0523a1e28513cc726b95c..b831da6d725be28e2000ed566ac45f6b7b8dea66 100644
--- a/chrome/browser/signin/easy_unlock_service_factory.cc
+++ b/chrome/browser/signin/easy_unlock_service_factory.cc
@@ -8,12 +8,14 @@
 #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"
 #endif
 
 // static
@@ -41,17 +43,17 @@ EasyUnlockServiceFactory::~EasyUnlockServiceFactory() {
 
 KeyedService* EasyUnlockServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
-  return new EasyUnlockService(Profile::FromBrowserContext(context));
-}
-
-content::BrowserContext* EasyUnlockServiceFactory::GetBrowserContextToUse(
-      content::BrowserContext* context) const {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(
           Profile::FromBrowserContext(context))) {
-    return NULL;
+    return new EasyUnlockServiceSignin(Profile::FromBrowserContext(context));
   }
 #endif
+  return new EasyUnlockServiceRegular(Profile::FromBrowserContext(context));
+}
+
+content::BrowserContext* EasyUnlockServiceFactory::GetBrowserContextToUse(
+      content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }