PaymentHandler: Implement requestPermission().

chrome/browser/payments/payment_handler_permission_infobar_delegate.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 CHROME_BROWSER_PAYMENTS_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_H_
+#define CHROME_BROWSER_PAYMENTS_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_H_
+
+#include <string>

[please use gerrit instead, 2017/06/20 13:28:09]

Not used.

[zino, 2017/06/22 17:26:41]

Done.

+
+#include "base/macros.h"
+#include "chrome/browser/permissions/permission_infobar_delegate.h"
+

[please use gerrit instead, 2017/06/20 13:28:09]

Let's put this in the "payments" namespace.

[zino, 2017/06/22 17:26:39]

Done.

+class PaymentHandlerPermissionInfoBarDelegate
+    : public PermissionInfoBarDelegate {
+ public:
+  PaymentHandlerPermissionInfoBarDelegate(
+      const GURL& requesting_frame,

[please use gerrit instead, 2017/06/20 13:28:08]

Forward declare GURL.

[zino, 2017/06/22 17:26:40]

Done.

+      bool user_gesture,
+      Profile* profile,

[please use gerrit instead, 2017/06/20 13:28:09]

Forward declare Profile.

[zino, 2017/06/22 17:26:38]

Done.

+      const PermissionSetCallback& callback);

[please use gerrit instead, 2017/06/20 13:28:08]

Forward declare PermissionSetCallback.

[zino, 2017/06/22 17:26:42]

It's defined in parent class.

+
+ private:
+  ~PaymentHandlerPermissionInfoBarDelegate() override;
+
+  // PermissionInfoBarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
+  int GetIconId() const override;
+  int GetMessageResourceId() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(PaymentHandlerPermissionInfoBarDelegate);
+};
+
+#endif  // CHROME_BROWSER_PAYMENTS_PAYMENT_HANDLER_PERMISSION_INFOBAR_DELEGATE_H_