[MD settings] merge polymer 1.0.11; hack for settings checkbox

third_party/polymer/v1_0/components-chromium/iron-dropdown/iron-dropdown-scroll-manager-extracted.js

-
-  (function() {
+(function() {
     'use strict';
 
     /**
      * The IronDropdownScrollManager is intended to provide a central source
      * of authority and control over which elements in a document are currently
      * allowed to scroll.
      */
 
     Polymer.IronDropdownScrollManager = {
 
@@ skipping 185 matching lines @@
         document.body.style.overflowX = this._originalBodyStyles.overflowX;
         document.body.style.overflowY = this._originalBodyStyles.overflowY;
 
         window.removeEventListener('wheel', this._scrollInteractionHandler, true);
         window.removeEventListener('mousewheel', this._scrollInteractionHandler, true);
         window.removeEventListener('DOMMouseScroll', this._scrollInteractionHandler, true);
         window.removeEventListener('touchmove', this._scrollInteractionHandler, true);
         document.removeEventListener('keydown', this._scrollInteractionHandler, true);
       }
     };
-  })();
+  })();