PaymentApp: Add classes for supporting Web Based Payment Apps

chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java
index 06bf964172c65de8d180ec1d4b8670dbb0d33201..d085efde4c5ed935c6ca61be345483466f0a8e82 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/PaymentAppFactory.java
@@ -8,9 +8,11 @@ import android.content.Context;
 
 import org.chromium.base.VisibleForTesting;
 import org.chromium.content_public.browser.WebContents;
+import org.chromium.payments.mojom.PaymentAppManifest;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Builds instances of payment apps.
@@ -22,6 +24,9 @@ public class PaymentAppFactory {
      */
     private static PaymentAppFactoryAddition sAdditionalFactory;
 
+    private static WebBasedPaymentAppBridge sWebBasedPaymentAppBridge =
+            new WebBasedPaymentAppBridge();
+
     /**
      * The interface for additional payment app factories.
      */
@@ -54,10 +59,29 @@ public class PaymentAppFactory {
     public static List<PaymentApp> create(Context context, WebContents webContents) {
         List<PaymentApp> result = new ArrayList<>(2);
         result.add(new AutofillPaymentApp(context, webContents));
+        result.addAll(createWebBasedPaymentApps(context, webContents));
         if (sAdditionalFactory != null) {
             result.addAll(
                     sAdditionalFactory.create(context, webContents));
         }
         return result;
     }
+
+    /**
+     * Build a WebBasedPaymentApp instance for each installed web based
+     * payment app.
+     *
+     * @param context     The context.
+     * @param webContents The web contents where PaymentRequest was invoked.
+     */
+    private static List<WebBasedPaymentApp> createWebBasedPaymentApps(
+            Context context, WebContents webContents) {
+        List<WebBasedPaymentApp> result = new ArrayList<>();
+        for (Map.Entry<String, PaymentAppManifest> entry :
+                sWebBasedPaymentAppBridge.getAllAppManifests().entrySet()) {
+            result.add(new WebBasedPaymentApp(context, webContents,
+                        entry.getKey(), entry.getValue()));
+        }
+        return result;
+    }
 }