PaymentApp: Rename PaymentAppRequestData to PaymentAppRequest.

components/payments/payment_app.mojom

 // 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.
 
 module payments.mojom;
 
 import "components/payments/payment_request.mojom";
 import "url/mojo/url.mojom";
 
 enum PaymentAppManifestError {
@@ skipping 17 matching lines @@
 };
 
 interface PaymentAppManager {
   Init(string service_worker_scope);
   SetManifest(PaymentAppManifest payment_app_manifest)
       => (PaymentAppManifestError error);
   GetManifest()
       => (PaymentAppManifest payment_app_manifest, PaymentAppManifestError error);
 };
 
-struct PaymentAppRequestData {
+struct PaymentAppRequest {
   url.mojom.Url origin;
   array<PaymentMethodData> methodData;
   PaymentItem total;
   array<PaymentDetailsModifier> modifiers;
   string optionId;
 };