PaymentHandler: Replace GetAllManifests() with GetAllPaymentApps().

chrome/android/java/src/org/chromium/chrome/browser/payments/ServiceWorkerPaymentApp.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 android.os.Handler;
 
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.payments.mojom.PaymentItem;
 import org.chromium.payments.mojom.PaymentMethodData;
 
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 /**
  * This app class represents a service worker based payment app.
  *
  * Such apps are implemented as service workers according to the Payment
- * App API specification.
+ * Handler API specification.
  *
- * @see https://w3c.github.io/webpayments-payment-apps-api/
+ * @see https://w3c.github.io/webpayments-payment-handler/
  */
 public class ServiceWorkerPaymentApp implements PaymentApp {
     private final WebContents mWebContents;
-    private final ServiceWorkerPaymentAppBridge.Manifest mManifest;
+    private final List<PaymentInstrument> mInstruments;
     private final Set<String> mMethodNames;
 
     /**
-     * Build a service worker payment app instance based on an installed manifest.
+     * Build a service worker payment app instance per origin.
      *
-     * @see https://w3c.github.io/webpayments-payment-apps-api/#payment-app-manifest
+     * @see https://w3c.github.io/webpayments-payment-handler/#structure-of-a-web-payment-app
      *
      * @param webContents The web contents where PaymentRequest was invoked.
-     * @param manifest    A manifest that describes this payment app.
+     * @param instruments A list of payment instruments supported by the payment app.
      */
-    public ServiceWorkerPaymentApp(
-            WebContents webContents, ServiceWorkerPaymentAppBridge.Manifest manifest) {
+    public ServiceWorkerPaymentApp(WebContents webContents, List<PaymentInstrument> instruments) {
         mWebContents = webContents;
-        mManifest = manifest;
+        mInstruments = instruments;
 
         mMethodNames = new HashSet<>();
-        for (ServiceWorkerPaymentAppBridge.Option option : manifest.options) {
-            mMethodNames.addAll(option.enabledMethods);
+        for (PaymentInstrument instrument : instruments) {
+            mMethodNames.addAll(instrument.getInstrumentMethodNames());
         }
     }
 
     @Override
     public void getInstruments(Map<String, PaymentMethodData> unusedMethodDataMap,
             String unusedOrigin, String unusedIFrameOrigin, byte[][] unusedCertificateChain,
-            PaymentItem unusedTotal, final InstrumentsCallback callback) {
-        final List<PaymentInstrument> instruments =
-                new ArrayList<PaymentInstrument>();
-
-        for (ServiceWorkerPaymentAppBridge.Option option : mManifest.options) {
-            instruments.add(new ServiceWorkerPaymentInstrument(
-                    mWebContents, mManifest.registrationId, option));
-        }
-
+            PaymentItem unusedItem, final InstrumentsCallback callback) {
         new Handler().post(new Runnable() {
             @Override
             public void run() {
-                callback.onInstrumentsReady(ServiceWorkerPaymentApp.this, instruments);
+                callback.onInstrumentsReady(
+                        ServiceWorkerPaymentApp.this, Collections.unmodifiableList(mInstruments));
             }
         });
     }
 
     @Override
     public Set<String> getAppMethodNames() {
         return Collections.unmodifiableSet(mMethodNames);
     }
 
     @Override
     public boolean supportsMethodsAndData(Map<String, PaymentMethodData> methodsAndData) {
         // TODO(tommyt): crbug.com/669876. Implement this for Service Worker Payment Apps.
         return true;
     }
 
     @Override
     public String getAppIdentifier() {
         return "Chrome_Service_Worker_Payment_App";
     }
 }