[Payments] Implement web payment app manifest

content/public/browser/stored_payment_app.h

+// 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.
+
+#ifndef CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_
+#define CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+#include "content/common/content_export.h"
+#include "content/public/browser/stored_payment_instrument.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "url/gurl.h"
+
+namespace content {
+
+// This class represents the stored payment app.
+struct CONTENT_EXPORT StoredPaymentApp {
+  StoredPaymentApp();
+  ~StoredPaymentApp();
+
+  // Id of the service worker registration this app is associated with.
+  int64_t registration_id = 0;
+
+  // Origin of the payment app provider that provides this payment app.
+  GURL origin;

[nasko, 2017/06/30 17:32:47]

Why not url::Origin? Using GURLs to represent origins is not ideal, which is why
url::Origin exists and should be used.

[gogerald1, 2017/06/30 18:18:51]

Done. used url::Origin in this structure, we could clean other files in a
separate CL if necessary,

[nasko, 2017/06/30 21:02:33]

It will be best to move over to url::Origin, so please do follow up.
Thanks!

+
+  // Label for this payment app.
+  std::string name;
+
+  // Decoded icon for this payment app.
+  std::unique_ptr<SkBitmap> icon;
+
+  // A list of one or more payment instruments in this payment app.
+  std::vector<std::unique_ptr<StoredPaymentInstrument>> instruments;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_STORED_PAYMENT_APP_H_