md settings: Show lock screen when pin/fingerprint disabled.

chrome/browser/ui/webui/settings/md_settings_ui.cc

Index: chrome/browser/ui/webui/settings/md_settings_ui.cc
diff --git a/chrome/browser/ui/webui/settings/md_settings_ui.cc b/chrome/browser/ui/webui/settings/md_settings_ui.cc
index 1e778aee45a2a5e7db071ba0dc8c6a574996742b..d073d8dfa6643e6d1213fee5e31b6dadcf5a8db7 100644
--- a/chrome/browser/ui/webui/settings/md_settings_ui.cc
+++ b/chrome/browser/ui/webui/settings/md_settings_ui.cc
@@ -181,7 +181,7 @@ MdSettingsUI::MdSettingsUI(content::WebUI* web_ui, const GURL& url)
   AddSettingsPageUIHandler(
       base::MakeUnique<chromeos::settings::StylusHandler>());
   html_source->AddBoolean(
-      "pinUnlockEnabled",
+      "quickUnlockEnabled",
       chromeos::quick_unlock::IsPinEnabled(profile->GetPrefs()));
   html_source->AddBoolean("fingerprintUnlockEnabled",
                           chromeos::quick_unlock::IsFingerprintEnabled());