MD Settings: Cleanup, remove unnecessary <cr-settings> wrapper.

chrome/browser/resources/settings/settings_ui/settings_ui.js

Index: chrome/browser/resources/settings/settings_ui/settings_ui.js
diff --git a/chrome/browser/resources/settings/settings_ui/settings_ui.js b/chrome/browser/resources/settings/settings_ui/settings_ui.js
index 910bddc3e576e85a8ebbdffc636dd243ff2c66d0..52307933182e0026b5b1776e4d7fbef7f130da58 100644
--- a/chrome/browser/resources/settings/settings_ui/settings_ui.js
+++ b/chrome/browser/resources/settings/settings_ui/settings_ui.js
@@ -10,6 +10,12 @@
  *
  *    <settings-ui prefs="{{prefs}}"></settings-ui>
  */
+cr.exportPath('settings');
+assert(!settings.defaultResourceLoaded,
+       'settings_ui.js run twice. You probably have an invalid import.');
+/** Global defined when the main Settings script runs. */
+settings.defaultResourceLoaded = true;
+
 Polymer({
   is: 'settings-ui',
 
@@ -23,6 +29,7 @@ Polymer({
     directionDelegate: {
       observer: 'directionDelegateChanged_',
       type: Object,
+      value: new settings.DirectionDelegateImpl(),
     },
 
     /** @private {boolean} */
@@ -38,6 +45,11 @@ Polymer({
     pageVisibility_: Object,
   },
 
+  /** @override */
+  created: function() {
+    settings.initializeRouteFromUrl();
+  },
+
   /**
    * @override
    * @suppress {es5Strict} Object literals cannot contain duplicate keys in ES5