[Payments] move //components/payments/content/*.mojom files to //components/payments/mojom

components/payments/content/payment_manifest_parser.mojom

-// Copyright 2017 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.
-
-[JavaPackage="org.chromium.payments.mojom"]
-module payments.mojom;
-
-import "url/mojo/url.mojom";
-
-struct WebAppManifestSection {
-  // The package name of the app.
-  string id;
-  // Minimum version number of the app.
-  int64 min_version;
-  // The result of SHA256(signing certificate bytes) for each certificate in the
-  // app.
-  array<array<uint8, 32>> fingerprints;
-};
-
-interface PaymentManifestParser {
-  ParsePaymentMethodManifest(string content)
-      => (array<url.mojom.Url> webAppManifestUrls);
-  ParseWebAppManifest(string content)
-      => (array<WebAppManifestSection> manifest);
-};