MD Settings: allow subpages not wrapped in templates

chrome/browser/resources/settings/settings_page/settings_animated_pages.js

Index: chrome/browser/resources/settings/settings_page/settings_animated_pages.js
diff --git a/chrome/browser/resources/settings/settings_page/settings_animated_pages.js b/chrome/browser/resources/settings/settings_page/settings_animated_pages.js
index 574350715c0b614aee8cf2211cb636011b3f8352..fc205a6d2b9f4b6e3ec3cee574cb6c0e5ea1408e 100644
--- a/chrome/browser/resources/settings/settings_page/settings_animated_pages.js
+++ b/chrome/browser/resources/settings/settings_page/settings_animated_pages.js
@@ -127,8 +127,9 @@ Polymer({
     var template = Polymer.dom(this).querySelector(
         'template[name="' + id + '"]');
 
-    // Do nothing if the subpage is already stamped.
-    if (template.if)
+    // Nothing to do if the subpage isn't wrapped in a <template> or the
+    // template is already stamped.
+    if (!template || template.if)
       return;
 
     // Set the subpage's id for use by neon-animated-pages.