Implement IsReadyToPay handling

chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentApp.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;
 
 import org.json.JSONObject;
 
 import java.util.List;
 import java.util.Map;
@@ skipping 18 matching lines @@
     }
 
     /**
      * Provides a list of all payment instruments in this app. For example, this can be all credit
      * cards for the current profile. Can return null or empty list, e.g., if user has no locally
      * stored credit cards.
      *
      * @param methodData The map from methods to method specific data. The data contains such
      *                   information as whether the app should be invoked in test or production
      *                   mode, merchant identifier, or a public key.
+     * @param origin     The origin of this merchant.
      * @param callback   The object that will receive the list of instruments.
      */
-    void getInstruments(Map<String, JSONObject> methodData, InstrumentsCallback callback);
+    void getInstruments(Map<String, JSONObject> methodData,
+            String origin, InstrumentsCallback callback);
 
     /**
      * Returns a list of all payment method names that this app supports. For example, ["visa",
      * "mastercard"] in basic card payments. Should return a list of at least one method name.
      * https://w3c.github.io/browser-payment-api/specs/basic-card-payment.html#method-id
      *
      * @return The list of all payment method names that this app supports.
      */
     Set<String> getAppMethodNames();
 
     /**
      * Returns the identifier for this payment app to be saved in user preferences. For example,
      * this can be "autofill", "https://android.com/pay", or "com.example.app.ExamplePaymentApp".
      *
      * @return The identifier for this payment app.
      */
     String getAppIdentifier();
 }