MD Settings: Remove subpage animation when landing directly on it.

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

 // Copyright 2015 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.
 
 /**
  * @fileoverview
  * 'settings-ui' implements the UI for the Settings page.
  *
  * Example:
  *
@@ skipping 42 matching lines @@
      * @private {!PageVisibility}
      */
     pageVisibility_: {
       type: Object,
       value: function() {
         return {};
       },
     },
 
     /** @private */
+    shouldHideContainer_: Boolean,
+
+    /** @private */
     lastSearchQuery_: {
       type: String,
       value: '',
     }
   },
 
   listeners: {
     'refresh-pref': 'onRefreshPref_',
   },
 
@@ skipping 207 matching lines @@
       this.$.container.removeAttribute('tabindex');
     }.bind(this));
   },
 
   /** @private */
   directionDelegateChanged_: function() {
     this.$.drawer.align = this.directionDelegate.isRtl() ?
         'right' : 'left';
   },
 });