Update Polymer from 1.1.4 -> 1.1.5

third_party/polymer/v1_0/components-chromium/paper-radio-group/paper-radio-group-extracted.js

-
-  Polymer({
+Polymer({
     is: 'paper-radio-group',
 
     behaviors: [
       Polymer.IronA11yKeysBehavior,
       Polymer.IronSelectableBehavior
     ],
 
     hostAttributes: {
       role: 'radiogroup',
       tabindex: 0
     },
 
     properties: {
       /**
+       * Fired when the radio group selection changes.
+       *
+       * @event paper-radio-group-changed
+       */
+
+      /**
        * Overriden from Polymer.IronSelectableBehavior
        */
       attrForSelected: {
         type: String,
         value: 'name'
       },
 
       /**
        * Overriden from Polymer.IronSelectableBehavior
        */
       selectedAttribute: {
         type: String,
         value: 'checked'
       },
 
       /**
        * Overriden from Polymer.IronSelectableBehavior
        */
       selectable: {
         type: String,
         value: 'paper-radio-button'
+      },
+
+      /**
+       * If true, radio-buttons can be deselected
+       */
+      allowEmptySelection: {
+        type: Boolean,
+        value: false
       }
     },
 
     keyBindings: {
       'left up': 'selectPrevious',
       'right down': 'selectNext',
     },
 
     /**
      * Selects the given value.
      */
      select: function(value) {
       if (this.selected) {
         var oldItem = this._valueToItem(this.selected);
 
-        // Do not allow unchecking the selected item.
         if (this.selected == value) {
-          oldItem.checked = true;
-          return;
+          // If deselecting is allowed we'll have to apply an empty selection.
+          // Otherwise, we should force the selection to stay and make this
+          // action a no-op.
+          if (this.allowEmptySelection) {
+            value = '';
+          } else {
+            oldItem.checked = true;
+            return;
+          }
         }
 
         if (oldItem)
           oldItem.checked = false;
       }
 
       Polymer.IronSelectableBehavior.select.apply(this, [value]);
       this.fire('paper-radio-group-changed');
     },
 
@@ skipping 19 matching lines @@
     selectNext: function() {
       var length = this.items.length;
       var newIndex = Number(this._valueToIndex(this.selected));
 
       do {
         newIndex = (newIndex + 1 + length) % length;
       } while (this.items[newIndex].disabled)
 
       this.select(this._indexToValue(newIndex));
     },
-  });
+  });