MD Downloads: roll <paper-menu-button> to pick up restoreFocusOnClose change

third_party/polymer/v1_0/components-chromium/paper-menu-button/paper-menu-button-extracted.js

 (function() {
       'use strict';
 
       var config = {
         ANIMATION_CUBIC_BEZIER: 'cubic-bezier(.3,.95,.5,1)',
         MAX_ANIMATION_TIME_MS: 400
       };
 
       var PaperMenuButton = Polymer({
         is: 'paper-menu-button',
@@ skipping 178 matching lines @@
            * to itself when opened.
            * Set to true in order to prevent scroll from being constrained
            * to the dropdown when it opens.
            */
           allowOutsideScroll: {
             type: Boolean,
             value: false
           },
 
           /**
+           * Whether focus should be restored to the button when the menu closes.
+           */
+          restoreFocusOnClose: {
+            type: Boolean,
+            value: true
+          },
+
+          /**
            * This is the element intended to be bound as the focus target
            * for the `iron-dropdown` contained by `paper-menu-button`.
            */
           _dropdownContent: {
             type: Object
           }
         },
 
         hostAttributes: {
           role: 'group',
@@ skipping 112 matching lines @@
           }
         }
       });
 
       Object.keys(config).forEach(function (key) {
         PaperMenuButton[key] = config[key];
       });
 
       Polymer.PaperMenuButton = PaperMenuButton;
     })();