|  | /** | 
|  | * @license | 
|  | * Copyright (C) 2019 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | * http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | /** | 
|  | * Helps looking up the proper iron-input element during the Polymer 2 | 
|  | * transition. Polymer 2 uses the <iron-input> element, while Polymer 1 uses | 
|  | * the nested <input is="iron-input"> element. | 
|  | */ | 
|  | window.ironInput = function(element) { | 
|  | return Polymer.dom(element).querySelector( | 
|  | Polymer.Element ? 'iron-input' : 'input[is=iron-input]'); | 
|  | }; |