Autofill address editor in PaymentRequest UI.

chrome/test/data/android/payments/dynamic_shipping.js

 /*
  * Copyright 2016 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* global PaymentRequest:false */
 /* global toDictionary:false */
 
 /**
@@ skipping 49 matching lines @@
  */
 function updateDetails(details, addr) {
   if (addr.country === 'US') {
     var shippingOption = {
       id: '',
       label: '',
       amount: {currency: 'USD', value: '0.00'},
       selected: true
     };
     if (addr.region === 'CA') {
-      shippingOption.id = 'ca';
+      shippingOption.id = 'californiaShippingOption';
       shippingOption.label = 'Free shipping in California';
       details.total.amount.value = '5.00';
     } else {
-      shippingOption.id = 'us';
+      shippingOption.id = 'usShippingOption';
       shippingOption.label = 'Standard shipping in US';
       shippingOption.amount.value = '5.00';
       details.total.amount.value = '10.00';
     }
     if (details.displayItems.length === 1) {
       details.displayItems.splice(0, 0, shippingOption);
     } else {
       details.displayItems.splice(0, 1, shippingOption);
     }
     details.shippingOptions = [shippingOption];
   } else {
     delete details.shippingOptions;
   }
   return details;
 }