test:

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentInformation.java

 // 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.
 
 package org.chromium.chrome.browser.payments.ui;
 
 /**
  * The data to show in the PaymentRequest UI.
  */
 public class PaymentInformation {
     private final ShoppingCart mShoppingCart;
     private final SectionInformation mShippingAddresses;
     private final SectionInformation mShippingOptions;
-    private final SectionInformation mContactDetails;
+    private final SectionInformation mPayerInfoDetails;
     private final SectionInformation mPaymentMethods;
 
     /**
      * Builds the payment information to show in the PaymentRequest view.
      *
      * @param shoppingCart      The shopping cart.
      * @param shippingAddresses The shipping addresses.
      * @param shippingOptions   The shipping options.
-     * @param contactDetails    The contact details.
+     * @param payerInfoDetails  The payer information details.
      * @param paymentMethods    The payment methods.
      */
     public PaymentInformation(ShoppingCart shoppingCart, SectionInformation shippingAddresses,
-            SectionInformation shippingOptions, SectionInformation contactDetails,
+            SectionInformation shippingOptions, SectionInformation payerInfoDetails,
             SectionInformation paymentMethods) {
         mShoppingCart = shoppingCart;
         mShippingAddresses = shippingAddresses;
         mShippingOptions = shippingOptions;
-        mContactDetails = contactDetails;
+        mPayerInfoDetails = payerInfoDetails;
         mPaymentMethods = paymentMethods;
     }
 
     /**
      * Returns the shopping cart.
      *
      * @return The shopping cart.
      */
     public ShoppingCart getShoppingCart() {
         return mShoppingCart;
@@ skipping 41 matching lines @@
      * Returns the label for the selected shipping option.
      *
      * @return The label for the selected shipping option or null.
      */
     public String getSelectedShippingOptionLabel() {
         PaymentOption option = mShippingOptions.getSelectedItem();
         return option != null ? option.getLabel() : null;
     }
 
     /**
-     * Returns the contact details.
+     * Returns the payer information details.
      *
-     * @return The contact details.
+     * @return The payer information details.
      */
-    public SectionInformation getContactDetails() {
-        return mContactDetails;
+    public SectionInformation getPayerInfoDetails() {
+        return mPayerInfoDetails;
     }
 
     /**
      * Returns the payment methods.
      *
      * @return The payment methods.
      */
     public SectionInformation getPaymentMethods() {
         return mPaymentMethods;
     }
 }