PaymentApp: Add interfaces for implementing InvokePaymentApp().

content/browser/payments/payment_app_provider_impl.cc

Index: content/browser/payments/payment_app_provider_impl.cc
diff --git a/content/browser/payments/payment_app_provider_impl.cc b/content/browser/payments/payment_app_provider_impl.cc
index 0d88e87924f453dcbab518c9e667a13437863f02..5f90d1c5d65ce0c2ddd288e6651f3a313f5af63a 100644
--- a/content/browser/payments/payment_app_provider_impl.cc
+++ b/content/browser/payments/payment_app_provider_impl.cc
@@ -57,6 +57,13 @@ void PaymentAppProviderImpl::GetAllManifests(
       base::Bind(&GetAllManifestsOnIO, payment_app_context, callback));
 }
 
+void PaymentAppProviderImpl::InvokePaymentApp(
+    BrowserContext* browser_context,
+    int64_t registration_id,
+    payments::mojom::PaymentAppRequestDataPtr data) {
+  NOTIMPLEMENTED();
+}
+
 PaymentAppProviderImpl::PaymentAppProviderImpl() {}
 
 PaymentAppProviderImpl::~PaymentAppProviderImpl() {}