Implement new design for expanded public session pod design

chrome/browser/chromeos/login/lock/screen_locker_tester.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/chromeos/login/lock/screen_locker_tester.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 127 matching lines @@
 void WebUIScreenLockerTester::EnterPassword(const std::string& password) {
   bool result;
   SetPassword(password);
 
   // Verify password is set.
   ASSERT_EQ(password, GetPassword());
 
   // Verify that "signin" button is hidden.
   scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
       RenderViewHost()->GetMainFrame(),
-      "$('pod-row').pods[0].signinButtonElement.hidden;");
+      "window.getComputedStyle("
+      "    $('pod-row').pods[0].querySelector('.signin-button-container'))"
+      "        .display == 'none'");
   ASSERT_TRUE(v->GetAsBoolean(&result));
   ASSERT_TRUE(result);
 
   // Attempt to sign in.
   LoginAttemptObserver login;
   v = content::ExecuteScriptAndGetValue(
       RenderViewHost()->GetMainFrame(),
       "$('pod-row').pods[0].activate();");
   ASSERT_TRUE(v->GetAsBoolean(&result));
   ASSERT_TRUE(result);
@@ skipping 48 matching lines @@
       new MockAuthenticator(ScreenLocker::screen_locker_, user_context));
 }
 
 }  // namespace test
 
 test::ScreenLockerTester* ScreenLocker::GetTester() {
   return new test::WebUIScreenLockerTester();
 }
 
 }  // namespace chromeos