Add test for showing confirmation dialog for unsecure signin

chrome/browser/ui/webui/signin/login_ui_service.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/ui/webui/signin/login_ui_service.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
@@ skipping 29 matching lines @@
 }
 
 void LoginUIService::LoginUIClosed(LoginUI* ui) {
   if (current_login_ui() != ui)
     return;
 
   ui_ = NULL;
   FOR_EACH_OBSERVER(Observer, observer_list_, OnLoginUIClosed(ui));
 }
 
+void LoginUIService::UntrustedSigninUIShown() {
+  FOR_EACH_OBSERVER(Observer, observer_list_, UntrustedSigninUIShown());
+}
+
 void LoginUIService::ShowLoginPopup() {
 #if defined(OS_CHROMEOS)
   if (chrome::IsRunningInForcedAppMode())
     InlineLoginDialog::Show(profile_);
 #else
   chrome::ScopedTabbedBrowserDisplayer displayer(
       profile_, chrome::GetActiveDesktop());
   chrome::ShowBrowserSignin(displayer.browser(), signin::SOURCE_APP_LAUNCHER);
 #endif
 }