Exclude building signin view controller and its delegate on ChromeOS

chrome/browser/ui/webui/signin/login_ui_service.cc

Index: chrome/browser/ui/webui/signin/login_ui_service.cc
diff --git a/chrome/browser/ui/webui/signin/login_ui_service.cc b/chrome/browser/ui/webui/signin/login_ui_service.cc
index c54cdc99d5d9490ca206a406eea0f809a0d31305..a48468537b87e30ec9ffe6d0eba55d84b44d2bd7 100644
--- a/chrome/browser/ui/webui/signin/login_ui_service.cc
+++ b/chrome/browser/ui/webui/signin/login_ui_service.cc
@@ -70,12 +70,12 @@ void LoginUIService::DisplayLoginResult(Browser* browser,
 #if defined(OS_CHROMEOS)
   // ChromeOS doesn't have the avatar bubble so it never calls this function.
   NOTREACHED();
-#endif
+#else
   last_login_result_ = error_message;
   last_login_error_email_ = email;
   if (!error_message.empty()) {
     if (browser)
-      browser->ShowModalSigninErrorWindow();
+      browser->signin_view_controller()->ShowModalSigninErrorDialog(browser);
     else
       UserManagerProfileDialog::DisplayErrorMessage();
   } else if (browser) {
@@ -85,6 +85,7 @@ void LoginUIService::DisplayLoginResult(Browser* browser,
         signin::ManageAccountsParams(),
         signin_metrics::AccessPoint::ACCESS_POINT_EXTENSIONS, false);
   }
+#endif
 }
 
 const base::string16& LoginUIService::GetLastLoginResult() const {