[Polymer] update third_party polymer

third_party/polymer/v1_0/components-chromium/paper-input/paper-input-behavior-extracted.js

-/**
+// Generate unique, monotonically increasing IDs for labels (needed by
+  // aria-labelledby) and add-ons.
+  Polymer.PaperInputHelper = {};
+  Polymer.PaperInputHelper.NextLabelID = 1;
+  Polymer.PaperInputHelper.NextAddonID = 1;
+
+  /**
    * Use `Polymer.PaperInputBehavior` to implement inputs with `<paper-input-container>`. This
    * behavior is implemented by `<paper-input>`. It exposes a number of properties from
    * `<paper-input-container>` and `<input is="iron-input">` and they should be bound in your
    * template.
    *
    * The input element can be accessed by the `inputElement` property if you need to access
    * properties or methods that are not exposed.
    * @polymerBehavior Polymer.PaperInputBehavior
    */
   Polymer.PaperInputBehaviorImpl = {
+
     properties: {
       /**
        * Fired when the input changes due to user interaction.
        *
        * @event change
        */
 
       /**
        * The label for this input. If you're using PaperInputBehavior to
        * implement your own paper-input-like element, bind this to
@@ skipping 375 matching lines @@
         str = more;
       }
       return str;
     },
 
     _onAddonAttached: function(event) {
       var target = event.path ? event.path[0] : event.target;
       if (target.id) {
         this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, target.id);
       } else {
-        var id = 'paper-input-add-on-' + Math.floor((Math.random() * 100000));
+        var id = 'paper-input-add-on-' + Polymer.PaperInputHelper.NextAddonID++;
         target.id = id;
         this._ariaDescribedBy = this._appendStringWithSpace(this._ariaDescribedBy, id);
       }
     },
 
     /**
      * Validates the input element and sets an error style if needed.
      *
      * @return {boolean}
      */
@@ skipping 67 matching lines @@
     _updateAriaLabelledBy: function() {
       var label = Polymer.dom(this.root).querySelector('label');
       if (!label) {
         this._ariaLabelledBy = '';
         return;
       }
       var labelledBy;
       if (label.id) {
         labelledBy = label.id;
       } else {
-        labelledBy = 'paper-input-label-' + new Date().getUTCMilliseconds();
+        labelledBy = 'paper-input-label-' + Polymer.PaperInputHelper.NextLabelID++;
         label.id = labelledBy;
       }
       this._ariaLabelledBy = labelledBy;
     },
 
     _onChange:function(event) {
       // In the Shadow DOM, the `change` event is not leaked into the
       // ancestor tree, so we must do this manually.
       // See https://w3c.github.io/webcomponents/spec/shadow/#events-that-are-not-leaked-into-ancestor-trees.
       if (this.shadowRoot) {
         this.fire(event.type, {sourceEvent: event}, {
           node: this,
           bubbles: event.bubbles,
           cancelable: event.cancelable
         });
       }
     }
-  };
+  }
 
   /** @polymerBehavior */
   Polymer.PaperInputBehavior = [
     Polymer.IronControlState,
     Polymer.IronA11yKeysBehavior,
     Polymer.PaperInputBehaviorImpl
   ];