[MD settings] updating polymer to 1.1.13

third_party/polymer/v1_0/components-chromium/paper-tabs/paper-tab-extracted.js

 Polymer({
 
     is: 'paper-tab',
 
     behaviors: [
-      Polymer.IronControlState
+      Polymer.IronControlState,
+      Polymer.IronButtonState
     ],
 
     properties: {
 
       /**
        * If true, ink ripple effect is disabled.
        *
        * @attribute noink
        */
       noink: {
         type: Boolean,
         value: false
       }
 
     },
 
     hostAttributes: {
       role: 'tab'
     },
 
     listeners: {
-      down: '_onDown'
+      down: '_updateNoink'
+    },
+
+    attached: function() {
+      this._updateNoink();
     },
 
     get _parentNoink () {
       var parent = Polymer.dom(this).parentNode;
       return !!parent && !!parent.noink;
     },
 
-    _onDown: function(e) {
+    _updateNoink: function() {
       this.noink = !!this.noink || !!this._parentNoink;
     }
   });