PaymentApp: Implement the JNI bridge

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 05594e9b9a012746875ef1735e5936ff5adb85da..40d2e67accd11164e2ae6ae65df1139baab78ede 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -1371,6 +1371,7 @@ split_static_library("browser") {
     "//components/password_manager/core/browser",
     "//components/password_manager/core/common",
     "//components/password_manager/sync/browser",
+    "//components/payments:payment_app",
     "//components/payments:payment_request",
     "//components/policy:generated",
     "//components/policy/core/browser",
@@ -3195,6 +3196,8 @@ split_static_library("browser") {
       "android/omnibox/omnibox_prerender.h",
       "android/password_ui_view_android.cc",
       "android/password_ui_view_android.h",
+      "android/payments/service_worker_payment_app_bridge.cc",
+      "android/payments/service_worker_payment_app_bridge.h",
       "android/physical_web/physical_web_data_source_android.cc",
       "android/physical_web/physical_web_data_source_android.h",
       "android/policy/policy_auditor.cc",
@@ -3981,6 +3984,7 @@ if (android_java_ui) {
       "../android/java/src/org/chromium/chrome/browser/password_manager/AutoSigninFirstRunDialog.java",
       "../android/java/src/org/chromium/chrome/browser/password_manager/Credential.java",
       "../android/java/src/org/chromium/chrome/browser/payments/PaymentValidator.java",
+      "../android/java/src/org/chromium/chrome/browser/payments/ServiceWorkerPaymentAppBridge.java",
       "../android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogController.java",
       "../android/java/src/org/chromium/chrome/browser/permissions/PermissionDialogDelegate.java",
       "../android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java",